SEPARATOR FOR AN ELECTRICITY STORAGE DEVICE AND METHOD OF MANUFACTURING SAME
First Claim
1. A separator for an electricity storage device that is formed by superimposing two or more fiber layers, wherein at least one or more of the fiber layers is a synthetic fiber layer that contains synthetic fibers and a synthetic resin-based binding agent.
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Abstract
The present invention provides a separator for an electricity storage device that is formed by superimposing two or more fiber layers, wherein at least one or more of the fiber layers is a synthetic fiber layer that contains synthetic fibers and a synthetic resin binding agent, and also provides a method of manufacturing the same. Moreover, the present invention provides a separator for an electricity storage device that contains thermoplastic synthetic fibers A, heat-resistant synthetic fibers B, natural fibers C, and a synthetic resin-based binding agent, and also provides a method of manufacturing the same.
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Citations
24 Claims
- 1. A separator for an electricity storage device that is formed by superimposing two or more fiber layers, wherein at least one or more of the fiber layers is a synthetic fiber layer that contains synthetic fibers and a synthetic resin-based binding agent.
- 10. A separator for an electricity storage device that contains thermoplastic synthetic fibers A, heat-resistant synthetic fibers B, natural fibers C, and a synthetic resin-based binding agent.
Specification