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一种基于衍生纤维素的复合多孔膜，用于瞬态锂离子电池中的瞬态凝胶电解质。

A Composite Porous Membrane Based on Derived Cellulose for Transient Gel Electrolyte in Transient Lithium-Ion Batteries.

作者信息

Chen Yuanfen, Zhang Lanbin, Lin Lin, You Hui

机构信息

School of Mechanical Engineering, Guangxi University, Nanning 530004, China.

出版信息

Materials (Basel). 2022 Feb 20;15(4):1584. doi: 10.3390/ma15041584.

DOI:10.3390/ma15041584
PMID:35208124
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8877982/
Abstract

The transient lithium-ion battery is a potential candidate as an integrated energy storage unit in transient electronics. In this study, a mechanically robust, transient, and high-performance composite porous membrane for a transient gel electrolyte in transient lithium-ion batteries is studied and reported. By introducing a unique and controllable circular skeleton of methylcellulose to the carboxymethyl cellulose-based membrane, the elastic modulus and tensile strength of the composite porous membrane (CPM) are greatly improved, while maintaining its micropores structure and fast transiency. Results show that CPM with 5% methylcellulose has the best overall performance. The elastic modulus, tensile strength, porosity, and contact angle of the optimized CPM are 335.18 MPa, 9.73 MPa, 62.26%, and 21.22°, respectively. The water-triggered transient time for CPM is less than 20 min. The ionic conductivity and bulk resistance of the CPM gel electrolyte are 0.54 mS cm and 4.45 Ω, respectively. The obtained results suggest that this transient high-performance CPM has great potential applications as a transient power source in transient electronics.

摘要

瞬态锂离子电池作为瞬态电子器件中的集成储能单元具有潜在的应用前景。在本研究中，对一种用于瞬态锂离子电池中瞬态凝胶电解质的机械坚固、瞬态且高性能的复合多孔膜进行了研究并予以报道。通过将甲基纤维素独特且可控的圆形骨架引入到基于羧甲基纤维素的膜中，复合多孔膜（CPM）的弹性模量和拉伸强度得到了极大提高，同时保持了其微孔结构和快速瞬态特性。结果表明，含有5%甲基纤维素的CPM具有最佳的综合性能。优化后的CPM的弹性模量、拉伸强度、孔隙率和接触角分别为335.18 MPa、9.73 MPa、62.26%和21.22°。CPM的水触发瞬态时间小于20分钟。CPM凝胶电解质的离子电导率和体电阻分别为0.54 mS cm和4.45 Ω。所得结果表明，这种瞬态高性能CPM作为瞬态电子器件中的瞬态电源具有巨大的潜在应用价值。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e676/8877982/406860e36013/materials-15-01584-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e676/8877982/8ae83776db20/materials-15-01584-g0A1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e676/8877982/663223e1a5b2/materials-15-01584-g0A2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e676/8877982/0c9bfaab4d3b/materials-15-01584-g0A3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e676/8877982/0f9701cf0673/materials-15-01584-g0A4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e676/8877982/2a8c8390d65c/materials-15-01584-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e676/8877982/bf2eb2f4d78a/materials-15-01584-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e676/8877982/475d845425b9/materials-15-01584-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e676/8877982/61ee94f172c3/materials-15-01584-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e676/8877982/9ceb0e876e3e/materials-15-01584-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e676/8877982/37cf12dbd28d/materials-15-01584-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e676/8877982/406860e36013/materials-15-01584-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e676/8877982/8ae83776db20/materials-15-01584-g0A1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e676/8877982/663223e1a5b2/materials-15-01584-g0A2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e676/8877982/0c9bfaab4d3b/materials-15-01584-g0A3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e676/8877982/0f9701cf0673/materials-15-01584-g0A4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e676/8877982/2a8c8390d65c/materials-15-01584-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e676/8877982/bf2eb2f4d78a/materials-15-01584-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e676/8877982/475d845425b9/materials-15-01584-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e676/8877982/61ee94f172c3/materials-15-01584-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e676/8877982/9ceb0e876e3e/materials-15-01584-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e676/8877982/37cf12dbd28d/materials-15-01584-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e676/8877982/406860e36013/materials-15-01584-g007.jpg

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