DataVXACS Energy LettersPaper
journal article·2024-06-14Open access

Boron–Silicon Alloy Nanoparticles as a Promising New Material in Lithium-Ion Battery Anodes

Gregory F. Pach, Pashupati R. Adhikari, Joseph Quinn, Chongmin Wang, Avtar Singh, Ankit Verma, Andrew Colclasure, Jae Ho Kim, Glenn Teeter, Gabriel M. Veith, Nathan R. Neale, Gerard M. Carroll

ACS Energy Letters· Volume 9· Issue 6
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Source abstract

Abstract

Silicon's potential as a lithium-ion battery (LIB) anode is hindered by the reactivity of the lithium silicide (Li x Si) interface. This study introduces an innovative approach by alloying silicon with boron, creating boron/silicon (BSi) nanoparticles synthesized via plasma-enhanced chemical vapor deposition. These nanoparticles exhibit altered electronic structures as evidenced by optical, structural, and chemical analysis. Integrated into LIB anodes, BSi demonstrates outstanding cycle stability, surpassing 1000 lithiation and delithiation cycles with minimal capacity fade or impedance growth. Detailed electrochemical and microscopic characterization reveal very little SEI growth through 1000 cycles, which suggests that electrolyte degradation is virtually nonexistent. This unconventional strategy offers a promising avenue for high-performance LIB anodes with the potential for rapid scale-up, marking a significant advancement in silicon anode technology.
Source: europepmc · Quality: candidate unverified · Source record ↗

Research context

Energy storageMetals & alloysNanomaterialsMaterials processing

OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · Semiconductor materials and devices

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Chemistry and Nanoscience Center, National Renewable Energy Laboratory, 15013 Denver West Parkway, Golden, Colorado 80401, United States

Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, Washington 99342, United States

Energy Conversion and Storage Systems Center, National Renewable Energy Laboratory, Golden, Colorado 80401, United States

Department of Nanoenergy Engineering, Pusan National University, Busan 46241, Republic of Korea

Materials Sciences Center, National Renewable Energy Laboratory, 15013 Denver West Parkway, Golden, Colorado 80401, United States

Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States

Renewable and Sustainable Energy Institute, University of Colorado Boulder, Boulder, Colorado 80309, United States

Funding

Vehicle Technologies Office

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