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Title: Conductive Polymer Binder for High-Tap-Density Nanosilicon Material for Lithium-Ion Battery Negative Electrode Application

Journal Article · · Nano Letters
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  1. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Energy Storage and Distributed Resources Division, Energy Technologies Area
  2. Univ. of California, Berkeley, CA (United States). Dept. of Bioengineering and Materials Science and Engineering
  3. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Advanced Light Source (ALS)
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High-tap-density silicon nanomaterials are highly desirable as anodes for lithium ion batteries, due to their small surface area and minimum first-cycle loss. However, this material poses formidable challenges to polymeric binder design. Binders adhere on to the small surface area to sustain the drastic volume changes during cycling; also the low porosities and small pore size resulting from this material are detrimental to lithium ion transport. This study introduces a new binder, poly(1-pyrenemethyl methacrylate-co-methacrylic acid) (PPyMAA), for a high-tap-density nanosilicon electrode cycled in a stable manner with a first cycle efficiency of 82%-a value that is further improved to 87% when combined with graphite material. Incorporating the MAA acid functionalities does not change the lowest unoccupied molecular orbital (LUMO) features or lower the adhesion performance of the PPy homopolymer. Our single-molecule force microscopy measurement of PPyMAA reveals similar adhesion strength between polymer binder and anode surface when compared with conventional polymer such as homopolyacrylic acid (PAA), while being electronically conductive. Finally, the combined conductivity and adhesion afforded by the MAA and pyrene copolymer results in good cycling performance for the high-tap-density Si electrode.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Office (EE-3V); USDOE Office of Science (SC), Basic Energy Sciences (BES); National Institutes of Health (NIH)
Grant/Contract Number:
AC02-05CH11231; R37 DE014193
OSTI ID:
1426721
Journal Information:
Nano Letters, Vol. 15, Issue 12; ISSN 1530-6984
Publisher:
American Chemical SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 109 works
Citation information provided by
Web of Science

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Cited By (26)

An overview on efforts to enhance the Si electrode stability for lithium ion batteries journal October 2019
An Efficient Two-Polymer Binder for High-Performance Silicon Nanoparticle-Based Lithium-Ion Batteries: A Systematic Case Study with Commercial Polyacrylic Acid and Polyvinyl Butyral Polymers journal January 2019
Confronting the Challenges of Next‐Generation Silicon Anode‐Based Lithium‐Ion Batteries: Role of Designer Electrolyte Additives and Polymeric Binders journal May 2019
An environment-friendly approach to produce nanostructured germanium anodes for lithium-ion batteries journal January 2020
SiO 2 -Enhanced Structural Stability and Strong Adhesion with a New Binder of Konjac Glucomannan Enables Stable Cycling of Silicon Anodes for Lithium-Ion Batteries journal June 2018
Challenges and Recent Progress in the Development of Si Anodes for Lithium-Ion Battery journal September 2017
Highly efficient poly(fluorene phenylene) copolymer as a new class of binder for high-capacity silicon anode in lithium-ion batteries journal October 2017
Investigations of the Influences of Processing Conditions on the Properties of Spray Dried Chitosan-Tripolyphosphate Particles loaded with Theophylline journal January 2020
Recent Advances in Designing High-Capacity Anode Nanomaterials for Li-Ion Batteries and Their Atomic-Scale Storage Mechanism Studies journal April 2018
Porous nano-silicon/TiO2/rGO@carbon architecture with 1000-cycling lifespan as superior durable anodes for lithium-ion batteries journal May 2019
Self-standing NASICON-type electrodes with high mass loading for fast-cycling all-phosphate sodium-ion batteries text January 2018
High capacity silicon anodes enabled by MXene viscous aqueous ink journal February 2019
An All-Integrated Anode via Interlinked Chemical Bonding between Double-Shelled-Yolk-Structured Silicon and Binder for Lithium-Ion Batteries journal October 2017
Strategies for Building Robust Traffic Networks in Advanced Energy Storage Devices: A Focus on Composite Electrodes journal December 2018
Silicon-Based Anodes for Lithium-Ion Batteries: From Fundamentals to Practical Applications journal January 2018
Dimensionally Designed Carbon-Silicon Hybrids for Lithium Storage journal November 2018
Novel approach with polyfluorene/polydisulfide copolymer binder for high‐capacity silicon anode in lithium‐ion batteries journal August 2019
A Quadruple-Hydrogen-Bonded Supramolecular Binder for High-Performance Silicon Anodes in Lithium-Ion Batteries journal June 2018
Highly elastic binders integrating polyrotaxanes for silicon microparticle anodes in lithium ion batteries journal July 2017
Scallop-Inspired Shell Engineering of Microparticles for Stable and High Volumetric Capacity Battery Anodes journal May 2018
Advanced Lithium-Ion Batteries for Practical Applications: Technology, Development, and Future Perspectives journal July 2018
Trifunctional Electrode Additive for High Active Material Content and Volumetric Lithium-Ion Electrode Densities journal January 2019
Amphiphilic Graft Copolymers as a Versatile Binder for Various Electrodes of High-Performance Lithium-Ion Batteries journal April 2016
Hierarchical porous silicon structures with extraordinary mechanical strength as high-performance lithium-ion battery anodes journal March 2020
Carbon-Coated, Diatomite-Derived Nanosilicon as a High Rate Capable Li-ion Battery Anode journal October 2016
Molecular Spring Enabled High-Performance Anode for Lithium Ion Batteries journal November 2017

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Related Subjects

25 ENERGY STORAGE
36 MATERIALS SCIENCE
Conductive polymer binder
high tap density
lithium-ion battery
silicon nanoparticle
single molecule force