漸衰失效 的英文怎麼說
中文拼音 [jiānshuāishīxiào]
漸衰失效
英文
degradated failure-
And cu6sn5 alloy were synthesized by chemical reduction between cu ( ii ), sn ( iv ) and zn. samples were characterized by xrd, sem and tem. the results showed that b sample was globe - shaped, ultra - fine hexagonal cosn alloy ( 80 ~ 200nm ) and c sam
認為可能原因是cosn合金樣品顆粒過大,充放電循環過程中逐漸粉化失效,容量迅速衰減;而納米cu - sn 、 cu6sn5容量衰減是由於納米材料比表面積很大,充放電循環過程中易發生團聚
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