Ion permeable membrane
AssigneeIdemitsu Kosan Co., Ltd.
InventorsToshiaki TSUNO, Futoshi UTSUNO
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Abstract
The object of the present invention is to provide an ion permeable membrane which has high quality as a permeable membrane, is capable of coping with an increase in size, has improved yields, has improved handleability, and is achieving weight reduction, and includes a solid electrolyte exhibiting alkalinity and a resin containing a carboxy group, and has an acid value of more than 0 mgKOH/g.
Claims18
An ion permeable membrane comprising a solid electrolyte exhibiting alkalinity and a resin containing a carboxy group, wherein the ion permeable membrane has an acid value of more than 0 mgKOH/g.
A lithium recovery device comprising an ion permeable membrane that includes a solid electrolyte exhibiting alkalinity and a resin containing a carboxy group and has an acid value of more than 0 mgKOH/g.
A method for producing lithium hydroxide, comprising recovering lithium hydroxide from a lithium ion-containing liquid using an ion permeable membrane that includes a solid electrolyte exhibiting alkalinity and a resin containing a carboxy group and has an acid value of more than 0 mgKOH/g, or
- a method for producing a lithium-containing substance, comprising:
- recovering lithium hydroxide from a lithium ion-containing liquid by using an ion permeable membrane that includes a solid electrolyte exhibiting alkalinity and a resin containing a carboxy group and has an acid value of more than 0 mgKOH/g;
- and using the lithium hydroxide to produce a lithium-containing substance selected from lithium sulfide, a sulfide solid electrolyte, and an electrode active substance, or
- a method for producing a lithium ion battery, comprising:
- recovering lithium hydroxide from a lithium ion-containing liquid by using an ion permeable membrane that includes a solid electrolyte exhibiting alkalinity and a resin containing a carboxy group and has an acid value of more than 0 mgKOH/g;
- obtaining a lithium-containing substance selected from lithium sulfide, a sulfide solid electrolyte, and an electrode active substance by using the lithium hydroxide;
- and using a substance selected from the lithium-containing substances.
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Dependencies are inferred from the claim text.