05-10-2017 дата публикации
Номер: US20170288267A1
The present disclosure provides a method for forming liquid electrolyte-containing gel electrolyte membrane and electrode assembly, and gel electrolyte cell and method for forming the same, and gel polymer lithium-ion battery. The method for forming the liquid electrolyte-containing gel electrolyte membrane, which includes the following steps, providing a cathode or an anode; forming a liquid mixture C and a liquid electrolyte D; forming a gel membrane on at least one surface of the cathode and/or the anode by the liquid mixture C; forming the liquid electrolyte-containing gel electrolyte membrane by the gel membrane absorbing the liquid electrolyte D. The electrode assembly, the gel electrolyte cell and the gel polymer lithium-ion battery obtained in the present disclosure have excellent liquid absorption performance of liquid electrolyte, a high electrolyte conductivity of 3 to 7*10S·cm, a wide electrochemical window. 1. A method for forming a liquid electrolyte-containing gel electrolyte membrane , comprising:providing a cathode or an anode;forming a liquid mixture C and a liquid electrolyte D;forming a gel membrane on at least one surface of the cathode and/or the anode by the liquid mixture C; andforming the liquid electrolyte-containing gel electrolyte membrane by the gel membrane absorbing the liquid electrolyte D;wherein the liquid mixture C includes a liquid mixture A and a liquid mixture B, the liquid mixture A including a polymer matrix and an organic solvent, the liquid mixture B including an organic solvent and mixture additives, and the liquid electrolyte D includes a lithium salt, a plasticizer, and electrolyte additives.2. The method of claim 1 , wherein the liquid mixture C comprises 0.1 to 80% by mass fraction of the polymer matrix and 10 to 99% by mass fraction of the organic solvent; and 0 to 50% by mass fraction of the mixture additives claim 1 ,the liquid electrolyte D comprises 0.1 to 50% by mass fraction of the lithium salt and 0.5 to 89% by ...
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