Gerd Liebig, Pamina Bohn, NEXT ENERGY EWE Research Centre for Energy Technology, Germany
锂离子电池在高温下性能会降低,为此工业界针对电池在工作状态下可承受的温度变化范围,已经制定了严格的标准。NEXT ENERGY 的科研人员通过模拟传热来研究高温焊接是否会导致热量在电池内部传递,进而引起不可逆转的损坏,例如造成电解质分解和总容量下降。他们最终发现,极耳焊接可能会引起不可逆转的损坏,而激光焊接基本上不会给电池带来损害。
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