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发明公开
CN109679552A 一种液态金属导电胶及其应用 有权

一种液态金属导电胶及其应用
摘要：
本发明涉及一种液态金属导电胶及其应用。所述液态金属导电胶由液态金属、银粉和基体树脂组成，其中，所述液态金属占导电胶总质量的25％-81％，所述银粉占导电胶总质量的5％-45％，余量为基体树脂。所述液态金属导电胶具有成本低、高导电性和高粘接强度等特点，对电池片具有良好的润湿性，作为叠瓦组件的连接材料能够显著降低生产成本和叠瓦电池片间的接触电阻；同时，由于液态金属导电胶固化温度低，可降低因高温导致的电池片隐裂及破片风险；固化后的导电胶具有较好的柔韧性，可吸收电池片见的热应力，提高叠瓦组件的可靠性。此外，采用本发明所述的导电胶，可简化现有叠瓦技术的连接工艺，提高了叠瓦组件的生产效率和成品率。
摘要（英）：

The invention relates to a liquid metal conductive adhesive and application thereof. The liquid metal conductive adhesive is prepared from the components in percentage by mass: 25%-81% of liquid metal, 5%-45% of silver powder and the balance of matrix resin; the liquid metal conductive adhesive has the advantages of low cost, high electroconductivity, high bonding strength and the like, has good wettability for battery pieces, and can remarkably lower the production cost and contact resistance between the imbricated battery pieces by serving as a connecting material of an imbricated assembly;meanwhile, the liquid metal conductive adhesive is low in curing temperature, and thus the risk, caused by the high temperature, of hidden cracking and fragmenting of the battery pieces can be lowered; the cured conductive adhesive has good flexibility, thermal stress between the battery pieces can be absorbed, and reliability of the imbricated assembly is improved; and additionally, by adopting the conductive adhesive, a connecting process of an existing imbrication technology can be simplified, the production efficiency of the imbricated assembly is improved, and the yield of the imbricatedassembly is increased.

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