The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 17, 2022
Filed:
May. 23, 2019
Ngk Insulators, Ltd., Nagoya, JP;
Sota Okochi, Nagoya, JP;
Shohei Yokoyama, Nagoya, JP;
Abstract
A layered double hydroxide (LDH) separator capable of more effectively restraining short circuiting caused by zinc dendrites. The LDH separator for secondary zinc batteries includes a porous substrate made of a polymer material and a LDH plugging pores in the porous substrate. The LDH separator has a dendrite buffer layer therein, the dendrite buffer layer being at least one selected from the group consisting of: (i) a pore-rich internal porous layer in the porous substrate, the internal porous layer being free from the LDH or deficient in the LDH; (ii) a releasable interfacial layer; which is provided by two adjacent layers constituting part of the LDH separator in releasable contact with each other; and (iii) an internal gap layer free from the LDH and the porous substrate, which is provided by two adjacent layers constituting part of the LDH separator formed apart from each other.