Mkpa atọ dị mkpa nke batrị nchekwa ike, nchekwa bụ ihe kachasị mkpa
A na-ewere nchekwa ike electrochemical dị ka ụdị nchekwa ike kachasị na sistemụ ike n'ọdịnihu, batrị na PCS bụ uru na ihe mgbochi kachasị elu na usoro ụlọ ọrụ, ọchịchọ bụ isi dị na nchekwa dị elu, ndụ ogologo na ọnụ ala dị ala. N'ime ha, nchekwa bụ isi ihe dị mkpa. Ụfọdụ ndị ọkachamara n'ihe gbasara ụlọ ọrụ kwuru na ugbu a ụlọ ọrụ ike nchekwa ike electrochemical na-eto ngwa ngwa, mana okwu nchekwa bụ nsogbu nke mmepe ya buru ibu, ụlọ ọrụ ike nchekwa ike Beijing na ọrụ nchekwa ike Tesla Australia nke mgbawa ahụ tinyekwara maka ụlọ ọrụ nchekwa ike.
Maka nke a, Echiche Ndị Na-eduzi Maka Ịkwalite Nchekwa Ike Ọhụrụ Na-etinye aka n'ịhazi ụkpụrụ teknụzụ nchekwa na sistemụ njikwa, na-eme ka njikwa nchekwa ọkụ sie ike, na-agbaso iwu nchekwa dịka isi; na nchekwa dị elu, ọnụ ala dị ala, ntụkwasị obi dị elu, ogologo ndụ na akụkụ ndị ọzọ nke ọganihu ogologo oge; na-eme ka nchekwa nke nyocha teknụzụ nchekwa ike electrochemical sie ike na ihe ndị ọzọ. Kọmishọna Mmepe na Mgbanwe Mba, Òtù Ike Mba iji hazie nhazi nke "Usoro Oge Maka Njikwa Nchekwa nke Ọdụ Nchekwa Ike Electrochemical (Draft)", anọkwala na August 24 maka ndụmọdụ ọha na eze, iji mee ka njikwa nchekwa nchekwa ike sikwuo ike.
Nchekwa dị elu, ndụ ogologo, ihe ndị pụtara ìhè na uru batrị nickel-metal hydride
Data China Battery Industry Association gosiri na nickel-metal hydride eletriki nwere nchekwa dị elu, ndụ ogologo oge, electrode dị mma ya nke ejiri nickel spheres mee, ihe na-arụ ọrụ electrode na-adịghị mma na-akwado site na hydrogen storage alloy, bụ nke ihe kwụsiri ike, electrolyte mmiri nwere ezigbo ihe na-egbochi ire ọkụ, agaghị agbawa ma gbaa ihe mberede, njupụta ike monomer batrị nke ruru 140wh/kg; ndụ okirikiri nke ruru 3,000, okirikiri chaja na mwepụta dị omimi ruo ugboro 10,000 ma ọ bụ karịa; enwere ike iji ya karịa ugboro 10,000; enwere ike iji ya karịa ugboro 10,000. Ihe karịrị ugboro 10,000; nwere ike ịnọgide na-enwe oke chaja na mwepụta dị elu na gburugburu -40°C ~ 60°C. Ahịa ụgbọ ala Toyota HEV zuru ụwa ọnụ erutela ihe karịrị nde 18, ma nwee nnukwu batrị nickel-metal hydride, enwebeghị otu ikpe nke ihe mberede ọkụ batrị, enyochala nchekwa dị elu nke batrị ahụ nke ọma.
Ọzọkwa, ịchaji na ịchaji batrị bụ mgbanwe nke ike kemịkalụ na ike eletriki, okpomọkụ nwere mmetụta dị ukwuu na mmeghachi omume kemịkalụ. Ebe nchekwa ike dị n'èzí, ọtụtụ ụdị batrị na-emetụta gburugburu ebe obibi na okpomọkụ, na-ebelata ebe ebe nchekwa ike dị ma na-ebelata ọrụ nke nchekwa ike. Batrị hydride nickel-metal na obere okpomọkụ na oke okpomọkụ dị elu arụmọrụ chajị na mwepụ dị mma, nke mere na ebe nchekwa ike na-agbanwe agbanwe, dị mma, na arụmọrụ ka mma n'ozuzu, nke aghọwo òkè ya na asọmpi nke ụzọ teknụzụ batrị dị iche iche "gbakwunyere isi".
N'ezie, batrị nickel-metal hydride n'ahịa nchekwa ike abụrụla ihe atụ. Na 2020, ụlọ ọrụ nchekwa ike batrị nickel-metal hydride Nilar nke European Investment Bank tinyere ego nde euro 47. A ghọtara na Nilar na-elekwasị anya na njikọta na nchekwa ike mmeghari ohuru, ike nchekwa na ngwa chaja ụgbọala eletrik, itinye ego ahụ bụ ịkwalite ụlọ ọrụ ahụ ga-etinye ya na batrị maka sistemụ ahịa ebe obibi, azụmahịa na ụlọ ọrụ mmepụta ihe na grid-scale ma ọ bụ akụrụngwa. Dịka Frontiers in Polymer Science si kwuo, ndị otu Prọfesọ Yi Cui na Mahadum Stanford emepụtala batrị nickel-metal hydride (Ni-MH) maka nnukwu ike mmeghari ohuru na ngwa nchekwa, yana uru nke ndụ ọrụ ogologo oge, enweghị ihe egwu nke ọkụ ma ọ bụ ọsọ okpomọkụ, enweghị mkpa maka mmezi oge niile, ezigbo omume okpomọkụ dị ala, na ọnụ ala dị ala. Ndị otu Cui ga-ewu ngalaba nnwale nwere ikike nchekwa nke megawatts 2 na 2021, ma na-eme atụmatụ ịgbasa ikike ya ruo okpukpu 20 nke ego ahụ ka ọ na-erule 2022.
Oge ozi: Ọgọst-24-2023
