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Technology
Q.
Kodi batire ndi chiyani?
A.
Mabatire ndi mtundu wa zida zosinthira mphamvu ndikusungira zomwe zimasinthira mphamvu zamagetsi kapena zakuthupi kukhala mphamvu yamagetsi kudzera muzochita. Malinga ndi kutembenuka kwamphamvu kosiyanasiyana kwa batire, batire imatha kugawidwa kukhala batire yamankhwala ndi batire yachilengedwe. Batire la mankhwala kapena gwero la mphamvu ya mankhwala ndi chipangizo chomwe chimasintha mphamvu ya mankhwala kukhala mphamvu yamagetsi. Amakhala ndi ma elekitirodi awiri a electrochemically yogwira ntchito ndi zigawo zosiyanasiyana, motero, zopangidwa ndi ma elekitirodi abwino ndi oipa. Mankhwala omwe angapereke ma conduction a media amagwiritsidwa ntchito ngati electrolyte. Ikalumikizidwa ndi chonyamulira chakunja, imapereka mphamvu zamagetsi potembenuza mphamvu yake yamkati yamankhwala. Batire yakuthupi ndi chipangizo chomwe chimasintha mphamvu zakuthupi kukhala mphamvu yamagetsi.
Q.
Kodi pali kusiyana kotani pakati pa mabatire oyambirira ndi mabatire achiwiri?
A.
Kusiyana kwakukulu ndikuti zinthu zogwira ntchito ndizosiyana. Zomwe zimagwiritsidwa ntchito pa batri yachiwiri zimasinthidwa, pamene zinthu zogwira ntchito za batri yoyamba sizili. Kudzitulutsa yokha kwa batire yoyamba ndi yaying'ono kwambiri kuposa ya batri yachiwiri. Komabe, kukana kwamkati kumakhala kwakukulu kwambiri kuposa kwa batri yachiwiri, kotero mphamvu yolemetsa imakhala yochepa. Kuphatikiza apo, kuchuluka kwamphamvu kwapadera komanso kuchuluka kwa batire yoyamba ndi yofunika kwambiri kuposa mabatire omwe amatha kuchangidwanso.
Q.
Kodi mfundo ya electrochemical ya mabatire a Ni-MH ndi chiyani?
A.
Mabatire a Ni-MH amagwiritsa ntchito Ni oxide ngati electrode yabwino, chitsulo chosungiramo haidrojeni ngati electrode yoyipa, ndi lye (makamaka KOH) ngati electrolyte. Batire ya nickel-hydrogen ikachajidwa: Kuchita bwino kwa elekitirodi: Ni(OH)2 + OH- → NiOOH + H2O–e- Ma elekitirodi olakwika: M+H2O +e-→ MH+ OH- Batire la Ni-MH likatuluka : Kuchita bwino kwa ma elekitirodi: NiOOH + H2O + e- → Ni(OH)2 + OH- Malekitirodi opanda mphamvu: MH+ OH- →M+H2O +e-
Q.
Kodi mfundo ya electrochemical ya mabatire a lithiamu-ion ndi chiyani?
A.
chigawo chachikulu cha elekitirodi zabwino za batire lifiyamu-ion ndi LiCoO2, ndi elekitirodi negative makamaka C. Pamene nalipiritsa, Positive elekitirodi anachita: LiCoO2 → Li1-xCoO2 + xLi+ + xe- Negative anachita: C + xLi+ + xe- → CLix Chiwerengero chonse cha batire: LiCoO2 + C → Li1-xCoO2 + CLix Zomwe zimachitikira pamwambazi zimachitika pakutulutsa.
Q.
Kodi mabatire omwe amagwiritsidwa ntchito kwambiri ndi ati?
A.
Miyezo yodziwika bwino ya IEC pamabatire: Muyezo wa mabatire a nickel-metal hydride ndi IEC61951-2: 2003; makampani a batri a lithiamu-ion nthawi zambiri amatsatira UL kapena mayiko. Miyezo yomwe imagwiritsidwa ntchito kwambiri padziko lonse lapansi ya mabatire: Miyezo ya mabatire a nickel-metal hydride ndi GB/T15100_1994, GB/T18288_2000; miyezo ya mabatire a lithiamu ndi GB/T10077_1998, YD/T998_1999, ndi GB/T18287_2000. Kuphatikiza apo, miyezo yomwe imagwiritsidwa ntchito kwambiri pamabatire imaphatikizanso ndi Japan Industrial Standard JIS C pamabatire. IEC, International Electrical Commission (International Electrical Commission), ndi bungwe lapadziko lonse lapansi lopangidwa ndi makomiti amagetsi a mayiko osiyanasiyana. Cholinga chake ndikulimbikitsa kukhazikika kwa magawo amagetsi ndi zamagetsi padziko lonse lapansi. Miyezo ya IEC ndi miyezo yopangidwa ndi International Electrotechnical Commission.
Q.
Kodi kapangidwe kake ka batire la Ni-MH ndi chiyani?
A.
Zigawo zazikulu za mabatire a nickel-metal hydride ndi pepala lokhala ndi electrode (nickel oxide), pepala loyipa la electrode (hydrogen storage alloy), electrolyte (makamaka KOH), pepala la diaphragm, mphete yosindikiza, kapu ya electrode yabwino, batire, ndi zina zambiri.
Q.
Ndi zigawo ziti zazikulu zamabatire a lithiamu-ion?
A.
Zigawo zikuluzikulu za mabatire lifiyamu-ion ndi chapamwamba ndi m'munsi batire chimakwirira, zabwino elekitirodi pepala (yogwira zinthu ndi lithiamu cobalt okusayidi), olekanitsa (wapadera gulu nembanemba), ndi elekitirodi negative (yogwira zinthu ndi carbon), organic electrolyte, batire mlandu. (agawidwa m'mitundu iwiri ya chipolopolo chachitsulo ndi chipolopolo cha aluminiyamu) ndi zina zotero.
Q.
Kodi kukana kwamkati kwa batri ndi chiyani?
A.
Zimatanthawuza kukana komwe kumakumana ndi zomwe zikuchitika mu batri pamene batire ikugwira ntchito. Zimapangidwa ndi kukana kwa ohmic mkati ndi polarization mkati kukana. Kukaniza kwakukulu kwamkati kwa batire kudzachepetsa kutulutsa kwa batire kukugwira ntchito ndikufupikitsa nthawi yotulutsa. Kukaniza kwamkati kumakhudzidwa makamaka ndi zinthu za batri, njira zopangira, mawonekedwe a batri, ndi zina. Ndi gawo lofunikira poyezera momwe batire ikuyendera. Chidziwitso: Nthawi zambiri, kukana kwamkati m'malo omwe adayimbidwa ndiye muyezo. Kuti muwerenge kukana kwa batri mkati, iyenera kugwiritsa ntchito mita yapadera yokana mkati m'malo mwa multimeter mu ohm range.
Q.
Kodi mphamvu yamagetsi ndi chiyani?
A.
Mphamvu yamagetsi ya batri imatanthawuza mphamvu yamagetsi yomwe imawonetsedwa nthawi zonse. Mphamvu yamagetsi ya batire yachiwiri ya nickel-cadmium nickel-hydrogen ndi 1.2V; mphamvu yadzina ya batire yachiwiri ya lithiamu ndi 3.6V.
Q.
Kodi open circuit voltage ndi chiyani?
A.
Open circuit voltage amatanthauza kusiyana komwe kungathe pakati pa ma electrode abwino ndi oipa a batri pamene batire silikugwira ntchito, ndiye kuti, pamene palibe panopa ikuyenda mozungulira. Voltage yogwira ntchito, yomwe imadziwikanso kuti terminal voltage, imatanthawuza kusiyana komwe kungakhalepo pakati pa mitengo yabwino ndi yoyipa ya batire pamene batire ikugwira ntchito, ndiye kuti, pakakhala mopitilira muyeso.
Q.
Kodi mphamvu ya batire ndi yotani?
A.
Mphamvu ya batri imagawidwa mu mphamvu yovotera ndi luso lenileni. Kuchuluka kwa mphamvu ya batire kumatanthawuza kutsimikizira kapena kutsimikizira kuti batire iyenera kutulutsa mphamvu yochepa yamagetsi pansi pazifukwa zina zomwe zimatulutsidwa panthawi yopanga ndi kupanga namondwe. Muyezo wa IEC umanena kuti mabatire a nickel-cadmium ndi nickel-metal hydride amaperekedwa pa 0.1C kwa maola 16 ndipo amatulutsidwa pa 0.2C mpaka 1.0V pa kutentha kwa 20°C±5°C. Kuchuluka kwa batire kumawonetsedwa ngati C5. Mabatire a lithiamu-ion amanenedwa kuti azilipiritsa kwa maola atatu pansi pa kutentha kwapakati, nthawi zonse (3C) -voltage nthawi zonse (1V) kuwongolera kofunikira, kenako amatuluka pa 4.2C mpaka 0.2V pomwe magetsi otulutsidwa amavotera mphamvu. Mphamvu yeniyeni ya batri imatanthawuza mphamvu yeniyeni yomwe imatulutsidwa ndi mphepo yamkuntho pansi pazifukwa zina zomwe zimatulutsidwa, zomwe zimakhudzidwa kwambiri ndi kuchuluka kwa kutulutsa ndi kutentha (kotero kunena mosapita m'mbali, mphamvu ya batri iyenera kufotokozera momwe amachitira ndi kutulutsa). Chigawo cha mphamvu ya batri ndi Ah, mAh (2.75Ah = 1mAh).
Pulatifomu yotulutsa ya mabatire a Ni-MH omwe amatha kuwiritsidwa nthawi zambiri amatanthauza kuchuluka kwamagetsi komwe mphamvu yamagetsi ya batire imakhala yokhazikika ikatulutsidwa pansi pa njira inayake yotulutsa. Mtengo wake umagwirizana ndi kutulutsa komweko. Kukula kwakukulu, kumachepetsa kulemera kwake. The kumaliseche nsanja ya mabatire lifiyamu-ion nthawi zambiri kusiya kulipiritsa pamene voteji ndi 4.2V, ndipo panopa ndi zosakwana 0.01C pa voteji nthawi zonse, ndiye kusiya kwa mphindi 10, ndi kutulutsa kwa 3.6V pa mlingo uliwonse wa kumaliseche. panopa. Ndilo mulingo wofunikira kuyeza mtundu wa mabatire.
Q.
Kodi njira yolembera mabatire omwe amatha kuchajitsidwa yotchulidwa ndi IEC ndi iti?
A.
Malinga ndi muyezo wa IEC, chizindikiro cha batire la Ni-MH chimakhala ndi magawo asanu. 5) Mtundu wa Battery: HF ndi HR zimasonyeza mabatire a nickel-metal hydride 01) Zambiri za kukula kwa batri: kuphatikizapo kukula kwake ndi kutalika kwa batire yozungulira, kutalika, m'lifupi, ndi makulidwe a batri lalikulu, ndi makhalidwe ake. amasiyanitsidwa ndi slash, unit: mm 03) Chizindikiro cha kutulutsa: L zikutanthauza kuti kutulutsa koyenera komwe kuli mkati mwa 0.5CM kukuwonetsa kuti kutulutsa koyenera komwe kuli mkati mwa 0.5-3.5CH kukuwonetsa kuti kutulutsa koyenera komwe kuli mkati mwa 3.5 -7.0CX ikuwonetsa kuti batire ikhoza kugwira ntchito pamlingo wapamwamba kwambiri wa 7C-15C. 04) Chizindikiro cha batri chotentha kwambiri: choyimiridwa ndi T 05) Chidutswa cholumikizira batri: CF imayimira palibe cholumikizira, HH imayimira cholumikizira chamtundu wamtundu wa batire, ndipo HB imayimira cholumikizira cholumikizira mbali ndi mbali. za malamba a batri. Mwachitsanzo, HF18/07/49 imayimira batri ya nickel-metal hydride yokhala ndi m'lifupi mwake 18mm, 7mm, ndi kutalika kwa 49mm. KRMT33/62HH imayimira batire ya nickel-cadmium; kuchuluka kwa kutulutsa kuli pakati pa 0.5C-3.5, batire yapamwamba kwambiri yotentha (popanda kulumikiza chidutswa), m'mimba mwake 33mm, kutalika kwa 62mm. Malinga ndi muyezo wa IEC61960, chizindikiritso cha batri yachiwiri ya lithiamu ndi motere: 01) Mapangidwe a logo ya batri: zilembo za 3, zotsatiridwa ndi manambala asanu (cylindrical) kapena 6 (square) manambala. 02) Chilembo choyamba: chikuwonetsa zinthu zovulaza za electrode ya batri. Ine-ndikuyimira lithiamu-ion yokhala ndi batri yomangidwa; L-imayimira lithiamu zitsulo electrode kapena lithiamu aloyi electrode. 03) Kalata yachiwiri: ikuwonetsa zida za cathode za batri. C-cobalt-based electrode; Electrode yochokera ku nickel; M-manganese-based electrode; V-anadium-based electrode. 04) Chilembo chachitatu: chikuwonetsa mawonekedwe a batri. R-imayimira batire ya cylindrical; L-imayimira batire lalikulu. 05) Nambala: Batire ya Cylindrical: Manambala a 5 motsatana akuwonetsa m'mimba mwake ndi kutalika kwa mkuntho. Chigawo cha m'mimba mwake ndi millimeter, ndipo kukula kwake ndi gawo limodzi la khumi la millimeter. Ngati m'mimba mwake kapena kutalika kwake kuli kokulirapo kapena kofanana ndi 100mm, iyenera kuwonjezera mzere wa diagonal pakati pa makulidwe awiriwo. Square batire: manambala 6 amasonyeza makulidwe, m'lifupi, ndi kutalika kwa mkuntho mu millimeters. Ngati miyeso itatuyo ili yayikulu kuposa kapena yofanana ndi 100mm, iyenera kuwonjezera slash pakati pa miyeso; ngati miyeso itatu yocheperako ndi 1mm, chilembo "t" chimawonjezeredwa kutsogolo kwa gawoli, ndipo gawo la gawoli ndi gawo limodzi mwa magawo khumi a millimeter. Mwachitsanzo, ICR18650 imayimira cylindrical yachiwiri ya lithiamu-ion batire; zinthu cathode ndi cobalt, awiri ake ndi za 18mm, ndi kutalika ndi za 65mm. ICR20/1050. ICP083448 imayimira batire yachiwiri yachiwiri ya lithiamu-ion; cathode zakuthupi ndi cobalt, makulidwe ake ndi pafupifupi 8mm, m'lifupi ndi pafupifupi 34mm, ndi kutalika pafupifupi 48mm. ICP08/34/150 imayimira batire yachiwiri yachiwiri ya lithiamu-ion; cathode zakuthupi ndi cobalt, makulidwe ake ndi pafupifupi 8mm, m'lifupi ndi pafupifupi 34mm, ndi kutalika pafupifupi 150mm.
Q.
Ndi zinthu ziti zopakira batire?
A.
01) Meson wosawuma (mapepala) monga pepala la fiber, tepi ya mbali ziwiri 02) Filimu ya PVC, chubu lachizindikiro 03) Pepala lolumikizira: chitsulo chosapanga dzimbiri, pepala la nickel loyera, chitsulo cha nickel-plated 04) Chidutswa chotsogolera: chitsulo chosapanga dzimbiri (chosavuta kugulitsa) Pepala la nickel loyera (lowotcherera molimba) 05) Pulagi 06) Zida zodzitetezera monga ma switch owongolera kutentha, zoteteza mopitilira muyeso, zoletsa zoletsa 07) Katoni, bokosi lamapepala 08) Chipolopolo cha pulasitiki
Q.
Kodi cholinga cha kuyika kwa batri, kulumikiza, ndi kapangidwe kake ndi chiyani?
Njira yolipirira batire ya Ni-MH: 01) Kulipiritsa kwanthawi zonse: kuthamangitsa komweko ndi mtengo wapadera panjira yonse yolipiritsa; njira iyi ndi yofala kwambiri; 02) Kuthamanga kwamagetsi kosalekeza: Panthawi yolipiritsa, mapeto onse a magetsi opangira magetsi amakhala ndi mtengo wokhazikika, ndipo zomwe zikuchitika muderali zimachepa pang'onopang'ono pamene mphamvu ya batri ikuwonjezeka; 03) Kuthamanga kwanthawi zonse komanso kosalekeza kwamagetsi: Batire imayimbidwa koyamba ndi nthawi zonse (CC). Mphamvu ya batri ikakwera kufika pamtengo wapatali, magetsi amakhalabe osasinthika (CV), ndipo mphepo yomwe imayenda mozungulira imatsika pang'ono, ndipo pamapeto pake imafikira zero. Njira yolipirira batire ya Lithium: Kuthamangitsa ma voltage nthawi zonse: Batire imayikidwa pamagetsi osasintha (CC). Mphamvu ya batri ikakwera kufika pamtengo wapatali, magetsi amakhalabe osasinthika (CV), ndipo mphepo yam'derali imatsika pang'ono, ndipo pamapeto pake imafikira zero.
Q.
Kodi mabatire a Ni-MH amalipidwa bwanji ndi kutulutsa?
A.
Muyezo wapadziko lonse wa IEC ukunena kuti mulingo wokhazikika komanso kutulutsa mabatire a nickel-metal hydride ndi: choyamba kutulutsa batire pa 0.2C mpaka 1.0V/chidutswa, ndiyeno kulipiritsani pa 0.1C kwa maola 16, kuyisiya kwa ola limodzi, ndikuyiyika. pa 1C mpaka 0.2V/chidutswa, ndiko Kulipiritsa ndi kutulutsa mulingo wa batri.
Q.
Kodi pulse charger ndi chiyani? Kodi zimakhudza bwanji batire?
A.
Kuthamanga kwa pulse nthawi zambiri kumagwiritsa ntchito kulipiritsa ndi kutulutsa, kukhazikika kwa masekondi 5 ndikumasula kwa sekondi imodzi. Idzachepetsa mpweya wambiri womwe umapangidwa panthawi yolipiritsa ku electrolyte pansi pa kutulutsa mpweya. Sikuti zimangochepetsa kuchuluka kwa ma electrolyte vaporization mkati, koma mabatire akale omwe ali ndi polarized adzachira pang'onopang'ono kapena kuyandikira mphamvu yapachiyambi pambuyo pa nthawi 1-5 yolipiritsa ndi kutulutsa pogwiritsa ntchito njira yolipiritsa.
Q.
Kodi trickle charger ndi chiyani?
A.
Kulipiritsa kwa Trickle kumagwiritsidwa ntchito popanganso kutha kwa mphamvu komwe kumabwera chifukwa chodziyimitsa yokha batire itatha kulipiritsa. Nthawi zambiri, ma pulse current charger amagwiritsidwa ntchito kuti akwaniritse zomwe tafotokozazi.
Q.
Kodi kuyendetsa bwino ndi chiyani?
A.
Kulipira bwino kumatanthawuza kuchuluka kwa mphamvu zamagetsi zomwe zimagwiritsidwa ntchito ndi batri panthawi yolipiritsa zimasinthidwa kukhala mphamvu yamankhwala yomwe batire ingasunge. Zimakhudzidwa makamaka ndi teknoloji ya batri ndi kutentha kwa malo ogwirira ntchito a mphepo yamkuntho-kawirikawiri, kutentha kwapamwamba kwambiri, kumachepetsanso kutsika kwachangu.
Q.
Kodi kutulutsa bwino ndi chiyani?
A.
Kutulutsa bwino kumatanthawuza mphamvu yeniyeni yomwe imatulutsidwa kumagetsi amtundu wina pansi pazifukwa zina zomwe zimatulutsidwa ku mphamvu yovotera. Zimakhudzidwa makamaka ndi kuchuluka kwa kutulutsa, kutentha kozungulira, kukana kwamkati, ndi zina. Nthawi zambiri, kuchuluka kwa kutulutsa kumakwera, kumakweranso kutulutsa. M'munsi kumaliseche dzuwa. Kutsika kwa kutentha, kumachepetsanso kutulutsa bwino.
Q.
Kodi mphamvu yotulutsa batire ndi chiyani?
A.
Mphamvu yotulutsa batire imatanthawuza kuthekera kotulutsa mphamvu pa nthawi ya unit. Imawerengeredwa potengera kutulutsa kwapano I ndi mphamvu yotulutsa, P = U * I, unit ndi watts. M'munsi kukana kwa mkati mwa batri, ndipamwamba mphamvu yotulutsa mphamvu. Kukaniza kwamkati kwa batri kuyenera kukhala kochepa kuposa kukana kwamkati kwa chipangizo chamagetsi. Kupanda kutero, batri palokha imagwiritsa ntchito mphamvu zambiri kuposa chipangizo chamagetsi, chomwe chilibe ndalama ndipo chikhoza kuwononga batri.
Kudzitulutsa pawokha kumatchedwanso mphamvu yosungira ndalama, zomwe zimatanthawuza kusungidwa kwa mphamvu yosungidwa ya batri pansi pazikhalidwe zina zachilengedwe pamalo otseguka. Nthawi zambiri, kudziletsa kumakhudzidwa makamaka ndi njira zopangira, zida, ndi momwe zimasungidwira. Kudziletsa ndi chimodzi mwazinthu zazikulu zoyezera momwe batire ikuyendera. Nthawi zambiri, kutsika kwa kutentha kwa batire, kumachepetsanso kutsika kwamadzimadzi, koma ziyeneranso kuzindikira kuti kutentha kumakhala kotsika kwambiri kapena kokwera kwambiri, zomwe zingawononge batri ndikukhala zosagwiritsidwa ntchito. Battery ikatha changidwa ndikusiyidwa lotseguka kwakanthawi, kutulutsa kocheperako kumakhala pafupifupi. Muyezo wa IEC umanena kuti mabatire a Ni-MH akatha kutsekedwa, ayenera kusiyidwa otseguka kwa masiku 28 pa kutentha kwa 20 ℃ ± 5 ℃ ndi chinyezi cha (65 ± 20)%, ndipo mphamvu yotulutsa 0.2C ifika 60% ya chiwerengero choyamba.
Q.
Kodi kuyesa kwa maola 24 ndi chiyani?
A.
Kuyesa kudziletsa kwa batri ya lithiamu ndi: Nthawi zambiri, kudziletsa kwa maola 24 kumagwiritsidwa ntchito kuyesa mphamvu yake yosungira ndalama mwachangu. Batire imatulutsidwa pa 0.2C mpaka 3.0V, nthawi zonse. Nthawi zonse voteji ndi mlandu kwa 4.2V, odulidwa panopa: 10mA, pambuyo mphindi 15 yosungirako, kutulutsa pa 1C mpaka 3.0 V kuyesa mphamvu yake yotulutsa C1, ndiye ikani batire ndi voteji nthawi zonse 1C mpaka 4.2V, kudula- pakali pano: 10mA, ndi kuyeza 1C mphamvu C2 mutasiyidwa kwa maola 24. C2/C1*100% iyenera kukhala yofunika kwambiri kuposa 99%.
Q.
Kodi pali kusiyana kotani pakati pa kukana kwamkati kwa dziko loyimbidwa ndi kukana kwamkati kwa dziko lotulutsidwa?
A.
Kukaniza kwamkati mu chikhalidwe choyimitsidwa kumatanthawuza kukana kwa mkati pamene batire ili ndi 100% yokwanira; kukana kwamkati mu dziko lotulutsidwa kumatanthawuza kukana kwa mkati pambuyo pa kutulutsidwa kwa batri. Nthawi zambiri, kukana kwamkati m'malo otulutsidwa sikukhazikika komanso kwakukulu kwambiri. Kukaniza kwamkati m'boma loyimitsidwa kumakhala kochepa kwambiri, ndipo mtengo wotsutsa umakhala wokhazikika. Panthawi yogwiritsira ntchito batri, kukana kwamkati kwa boma loyimitsidwa kokha ndiko kofunika kwambiri. M'kupita kwa nthawi ya chithandizo cha batri, chifukwa cha kutopa kwa electrolyte ndi kuchepetsa ntchito ya zinthu zamkati zamkati, kukana kwa mkati kwa batri kudzawonjezeka mpaka mosiyanasiyana.
Q.
Kodi static resistance ndi chiyani? Kodi dynamic resistance ndi chiyani?
A.
Kukaniza kwamkati kwa static ndiko kukana kwamkati kwa batri panthawi yotulutsa, ndipo kukana kwamkati kwamkati ndiko kukana kwamkati kwa batri pakulipiritsa.
Q.
Kodi ndiyeso yoyesa kukana kuchulukirachulukira?
A.
IEC imanena kuti kuyezetsa kokwanira kwa mabatire a nickel-metal hydride ndi: Kutulutsa batire pa 0.2C mpaka 1.0V/chidutswa, ndi kulipiritsa mosalekeza pa 0.1C kwa maola 48. Batire sayenera kukhala ndi deformation kapena kutayikira. Pambuyo pakuwonjezera, nthawi yotulutsa kuchokera ku 0.2C mpaka 1.0V iyenera kukhala yopitilira maola 5.
Q.
Kodi mayeso a IEC standard cycle life test ndi chiyani?
A.
IEC imanena kuti kuyezetsa kwa moyo wa mabatire a nickel-metal hydride ndi: Batire ikayikidwa pa 0.2C mpaka 1.0V/pc 01) Limbani pa 0.1C kwa maola 16, kenako tulutsani pa 0.2C kwa maola awiri ndi mphindi 2. (mkombero umodzi) 30) Malizitsani pa 02C kwa maola 0.25 ndi mphindi 3, ndikutulutsa pa 10C kwa maola 0.25 ndi mphindi 2 (20-2 cycles) 48) Limbani pa 03C kwa maola 0.25 ndi mphindi 3, ndikumasulidwa ku 10V pa 1.0C (0.25th mkombero) 49) Malizitsani pa 04C kwa maola 0.1, kuika pambali kwa ola la 16, kutulutsa pa 1C mpaka 0.2V (1.0th mkombero). Kwa mabatire a nickel-metal hydride, mutatha kubwereza maulendo 50 a 400-1, nthawi yotulutsa 4C iyenera kukhala yofunika kwambiri kuposa maola a 0.2; kwa mabatire a nickel-cadmium, kubwereza kuzungulira kwa 3 kwa 500-1, nthawi yotulutsa 4C iyenera kukhala yovuta kwambiri kuposa maola atatu.
Q.
Kodi mphamvu ya mkati mwa batire ndi yotani?
A.
Zimatanthawuza kupanikizika kwapakati pa batri, komwe kumabwera chifukwa cha mpweya wopangidwa panthawi yolipiritsa ndi kutulutsa batire yosindikizidwa ndipo imakhudzidwa makamaka ndi zipangizo za batri, njira zopangira, ndi mawonekedwe a batri. Chifukwa chachikulu cha izi ndi chakuti mpweya wopangidwa ndi kuwonongeka kwa chinyezi ndi organic solution mkati mwa batri umasonkhanitsa. Nthawi zambiri, kuthamanga kwa mkati mwa batire kumasungidwa pamlingo wapakati. Pankhani yowonjezereka kapena kutulutsa, mphamvu ya mkati mwa batri ikhoza kuwonjezeka: Mwachitsanzo, kuwonjezereka, electrode yabwino: 4OH--4e → 2H2O + O2↑; ① Mpweya wopangidwa umakhudzidwa ndi hydrogen yomwe imayikidwa pa electrode yoyipa kuti ipange madzi 2H2 + O2 → 2H2O ② Ngati liwiro lakuchita ② ndilotsika kuposa momwe amachitira ①, mpweya wopangidwa sudzagwiritsidwa ntchito munthawi yake, zomwe zingayambitse kupanikizika kwamkati kwa batri kukwera.
Q.
Kodi muyezo wosunga chindapusa ndi chiyani?
A.
IEC imanena kuti muyezo woyezetsa kusungira kwa mabatire a nickel-metal hydride ndi: Mukayika batire pa 0.2C mpaka 1.0V, iperekeni pa 0.1C kwa maola 16, isungeni pa 20 ℃ ± 5 ℃ ndi chinyezi cha 65% ± 20%, sungani kwa masiku 28, kenaka mutulutse ku 1.0V pa 0.2C, ndipo mabatire a Ni-MH ayenera kukhala oposa maola atatu. The muyezo dziko amati muyezo mlandu posungira mayeso kwa mabatire lifiyamu ndi: (IEC alibe mfundo zogwirizana) batire anayikidwa pa 3C kuti 0.2/chidutswa, ndiyeno mlandu kwa 3.0V pa zonse panopa ndi voteji 4.2C, ndi mphepo yodulidwa ya 1mA ndi kutentha kwa 10 Pambuyo posungira masiku 20 pa ℃ ± 28 ℃, itulutseni ku 5V pa 2.75C ndikuwerengera mphamvu yotulutsa. Poyerekeza ndi mphamvu ya batire mwadzina, iyenera kukhala yosachepera 0.2% ya kuchuluka koyambirira.
Kodi kuyezetsa kwa kutentha kwapamwamba ndi chinyezi chachikulu ndi chiyani?
A.
Kuyeza kwa kutentha ndi chinyezi cha batri la Ni-MH ndi: Batire ikatha, sungani pansi pa kutentha kosalekeza ndi chinyezi kwa masiku angapo, ndipo musayang'ane kutayikira panthawi yosungira. Kutentha kwapamwamba komanso kutentha kwakukulu kwa batire ya lithiamu ndi: (muyezo wadziko lonse) Limbikitsani batire ndi 1C nthawi zonse komanso voteji nthawi zonse mpaka 4.2V, odulidwa apano a 10mA, kenako ndikuyiyika mubokosi la kutentha kosalekeza ndi chinyezi pa ( 40 ± 2) ℃ ndi chinyezi wachibale wa 90% -95% kwa 48h, ndiye chotsani batire mkati (20 Isiyeni pa ± 5) ℃ kwa maola awiri. Onani kuti mawonekedwe a batri ayenera kukhala okhazikika. Ndiye kutulutsa kwa 2.75V pa nthawi zonse panopa 1C, ndiyeno kuchita 1C kulipiritsa ndi 1C kutulutsa mkombero pa (20±5) ℃ mpaka kutulutsa mphamvu Osachepera 85% ya okwana koyamba, koma chiwerengero cha m'zinthu si zambiri. kuposa katatu.
Q.
Kodi kuyesa kukwera kwa kutentha ndi chiyani?
A.
Batire ikatha, ikani mu ng'anjo ndikuwotcha kutentha kwa chipinda pa mlingo wa 5 ° C / mphindi. 5°C/mphindi. Pamene kutentha kwa uvuni kufika 130 ° C, sungani kwa mphindi 30. Batire sayenera kuphulika kapena kugwira moto. Pamene kutentha kwa uvuni kufika 130 ° C, sungani kwa mphindi 30. Batire sayenera kuphulika kapena kugwira moto.
Q.
Kodi kuyesa kwa kutentha kwa njinga ndi chiyani?
A.
Kuyesa kozungulira kutentha kumakhala ndi mikombero 27, ndipo njira iliyonse imakhala ndi izi: 01) Batire imasinthidwa kuchoka pa kutentha kwapakati kupita ku 66 ± 3 ℃, kuyikidwa kwa ola limodzi pansi pa 1 ± 15%, 5) Sinthani ku a kutentha kwa 02 ± 33 ° C ndi chinyezi cha 3 ± 90 ° C kwa ola la 5, 1) Mkhalidwe umasinthidwa kukhala -03 ± 40 ℃ ndikuyikidwa kwa ola la 3 1) Ikani batri pa 04 ℃ kwa maola 25 Masitepe anayi awa malizitsani kuzungulira. Pambuyo poyeserera ka 0.5, batire liyenera kukhala losatayikira, kukwera kwa alkali, dzimbiri, kapena zovuta zina.
Q.
Kodi kuyesa kwa dontho ndi chiyani?
A.
Batire kapena paketi ya batri ikatha, imatsitsidwa kuchokera kutalika kwa 1m kupita ku konkire (kapena simenti) pansi katatu kuti ipeze kugwedezeka kwachisawawa.
Q.
Kodi kuyesa kwa vibration ndi chiyani?
A.
Njira yoyesera kugwedezeka kwa batri la Ni-MH ndi: Mukatsitsa batire ku 1.0V pa 0.2C, iperekeni pa 0.1C kwa maola 16, kenako ndikunjenjemera pansi pazifukwa izi mutasiyidwa kwa maola 24: matalikidwe: 0.8mm Pangani batire imanjenjemera pakati pa 10HZ-55HZ, ikuwonjezeka kapena kutsika pamlingo wa vibration wa 1HZ mphindi iliyonse. Kusintha kwamagetsi a batri kuyenera kukhala mkati mwa ± 0.02V, ndipo kusintha kwa mkati kumayenera kukhala mkati mwa ± 5mΩ. (Nthawi yogwedezeka ndi 90min) Njira yoyesera kugwedezeka kwa batri ya lithiamu ndi: Batire ikatulutsidwa ku 3.0V pa 0.2C, imayimbidwa mpaka 4.2V ndi magetsi okhazikika komanso okhazikika pa 1C, ndipo odulidwa panopa ndi 10mA. Ikasiyidwa kwa maola 24, imanjenjemera pansi pazifukwa izi: Kuyesa kwa vibration kumachitika ndi ma frequency a vibration kuchokera ku 10 Hz mpaka 60 Hz mpaka 10 Hz mu mphindi 5, ndipo matalikidwe ndi mainchesi 0.06. Batire imanjenjemera m'njira zitatu, ndipo ola lililonse limagwedezeka kwa theka la ola. Kusintha kwamagetsi a batri kuyenera kukhala mkati mwa ± 0.02V, ndipo kusintha kwa mkati kumayenera kukhala mkati mwa ± 5mΩ.
Batire ikatha, dutsani msomali wa m'mimba mwake pakati pa mkuntho ndikusiya pini mu batire. Batire sayenera kuphulika kapena kugwira moto.
Q.
Kodi kuyesa moto ndi chiyani?
A.
Ikani batire yodzaza kwathunthu pa chipangizo chotenthetsera chokhala ndi chivundikiro chapadera choteteza moto, ndipo palibe zinyalala zomwe zidzadutse pachivundikiro choteteza.
Q.
Ndi ziphaso zotani zomwe zinthu za kampaniyi zadutsa?
A.
Iwo wadutsa ISO9001:2000 khalidwe dongosolo chitsimikizo ndi ISO14001:2004 chilengedwe chitetezo dongosolo chitsimikizo; katunduyo walandira chiphaso cha EU CE ndi North America UL certification, wapambana mayeso a chitetezo cha chilengedwe cha SGS, ndipo walandira chilolezo cha patent cha Ovonic; nthawi yomweyo, PICC idavomereza zogulitsa zamakampani padziko lonse lapansi za Scope underwriting.
Q.
Kodi Batire Yokonzeka Kugwiritsa Ntchito Ndi Chiyani?
A.
Batire Yokonzeka kugwiritsa ntchito ndi mtundu watsopano wa batri ya Ni-MH yokhala ndi chiwongola dzanja chambiri chosungira chomwe chinayambitsidwa ndi kampaniyo. Ndi batire yosagwira kusungirako yomwe imagwira ntchito pawiri ya batire ya pulayimale ndi yachiwiri ndipo imatha kusintha batire yoyamba. Izi zikutanthauza kuti, batire imatha kubwezeretsedwanso ndipo imakhala ndi mphamvu yotsalira pambuyo posungira nthawi yomweyo ngati mabatire achiwiri a Ni-MH.
Malinga ndi muyezo wa IEC, iyenera kusunga batire pa kutentha kwa 20 ℃ ± 5 ℃ ndi chinyezi cha (65 ± 20)%. Nthawi zambiri, kutentha kosungirako kwa mphepo yamkuntho, kumachepetsa mphamvu yotsalayo, ndi mosemphanitsa, malo abwino kwambiri osungira batri pamene kutentha kwa firiji ndi 0 ℃-10 ℃, makamaka mabatire oyambirira. Ngakhale batire yachiwiri itataya mphamvu ikatha kusungidwa, imatha kubwezeredwa bola ngati ilipidwa ndikutulutsidwa kangapo. Mwachidziwitso, pali nthawi zonse kutaya mphamvu pamene batire yasungidwa. Mapangidwe a electrochemical a batri amatsimikizira kuti mphamvu ya batri imatayika mosalephera, makamaka chifukwa chodziletsa. Kawirikawiri, kukula kwadzidzidzi kumakhudzana ndi kusungunuka kwa zinthu zabwino za electrode mu electrolyte ndi kusakhazikika kwake (kutheka kuti ziwonongeke) pambuyo potenthedwa. Kudzikhetsa kwa mabatire omwe amatha kuchangidwanso ndikwambiri kuposa mabatire oyamba. Ngati mukufuna kusunga batire kwa nthawi yayitali, ndi bwino kuti muyike pamalo owuma ndi otsika kutentha ndikusunga mphamvu ya batri yotsalayo pafupifupi 40%. Inde, ndi bwino kutulutsa batire kamodzi pamwezi kuti muwonetsetse kuti malo abwino kwambiri osungiramo mphepo yamkuntho, koma osati kukhetsa kwathunthu batire ndikuwononga batire.
Q.
Kodi batire yokhazikika ndi chiyani?
A.
Batire yomwe imayikidwa padziko lonse lapansi ngati muyeso woyezera kuthekera (kuthekera). Idapangidwa ndi injiniya wamagetsi waku America E. Weston mu 1892, motero imatchedwanso batire ya Weston. Elekitirodi yabwino ya batire yokhazikika ndi mercury sulfate electrode, electrode negative ndi cadmium amalgam metal (yokhala ndi 10% kapena 12.5% cadmium), ndipo electrolyte ndi acidic, saturated cadmium sulphate amadzimadzi njira, amene ali zodzaza cadmium sulphate ndi mercurous sulfate amadzimadzi njira.
Q.
Ndizifukwa ziti zomwe zitha kupangitsa kuti zero voltage kapena kutsika kwa batire imodzi?
A.
01) Kuzungulira kwachidule kwakunja kapena kuchulukirachulukira kapena kubwezeretsanso batire (kuthamangitsidwa mopitilira muyeso); 02) Batire imapitilizidwa mopitirira malire ndi apamwamba komanso apamwamba kwambiri, zomwe zimapangitsa kuti chigawo cha batri chiwonjezeke, ndipo ma electrode abwino ndi oipa amalumikizana mwachindunji ndi kufupikitsidwa; 03) Batire ndi yofupikitsa kapena yozungulira pang'ono. Mwachitsanzo, kuyika kosayenera kwa mitengo yabwino komanso yoyipa kumapangitsa kuti chidutswacho chigwirizane ndi dera lalifupi, kukhudzana kwa electrode, ndi zina.
Q.
Ndizifukwa ziti zomwe zitha kupangitsa kuti zero voteji kapena kutsika kwamagetsi a batri?
A.
01) Kaya batire imodzi ili ndi zero voltage; 02) Pulagi imafupikitsidwa kapena yolumikizidwa, ndipo kulumikizana ndi pulagi sikuli bwino; 03) Desoldering ndi kuwotcherera pafupifupi kwa waya wotsogolera ndi batire; 04) Kulumikizana kwamkati kwa batri ndikolakwika, ndipo pepala lolumikizirana ndi batire zimatsitsidwa, zimagulitsidwa, sizimagulitsidwa, etc.; 05) Zida zamagetsi mkati mwa batri zimalumikizidwa molakwika ndikuwonongeka.
Q.
Ndi njira ziti zowongolera kuti mupewe kuchulukitsidwa kwa batri?
A.
Kuti batire isapitirire, m'pofunika kuwongolera pomaliza. Batire ikatha, padzakhala chidziwitso chapadera chomwe chingagwiritsidwe ntchito kuweruza ngati kulipiritsa kwafika kumapeto. Nthawi zambiri, pali njira zisanu ndi chimodzi zopewera batire kuti isapitirire: 01) Kuwongolera mphamvu yamagetsi: Dziwani kutha kwa kulipiritsa pozindikira kuchuluka kwamphamvu kwa batire; 02) dT/DT control: Dziwani kutha kwa kulipiritsa pozindikira kuchuluka kwa kutentha kwa batri; 03) △T kuwongolera: Batire ikadzaza kwathunthu, kusiyana pakati pa kutentha ndi kutentha kozungulira kudzafika pamlingo waukulu; 04) -△Kuwongolera kwa V: Batire ikangochangidwa ndikufikira pamagetsi apamwamba kwambiri, voteji imatsika ndi mtengo wake; 05) Kuwongolera nthawi: kuwongolera kumapeto kwa kulipiritsa pokhazikitsa nthawi yolipiritsa, nthawi zambiri imayika nthawi yofunikira kuti mupereke 130% ya mphamvu zomwe zimagwira;
Q.
Ndizifukwa ziti zomwe batri kapena paketi ya batri silingayimitsidwe?