Batrị eji eme ihe nwere nnukwu nickel, cobalt, manganese na ọla ndị ọzọ, nke nwere uru eji emegharị ihe dị elu. Otú ọ dị, ọ bụrụ na ha enwetaghị ngwọta n'oge, ha ga-emerụ ahụ ha nnukwu nsogbu. Ngwunye batrị lithium-ion mkpofu nwere njirimara nke nnukwu...
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