Neutron Depth Profiling Technique for Studying Rechargeable Lithium Metal Anodes

Advanced Micro/Nanostructures for Lithium Metal Anodes

Owning to their very high theoretical capacity, lithium metal anodes are expected to fuel the extensive practical applications in portable electronics and electric vehicles. However, unstable solid electrolyte interphase and lithium dendrite growth during lithium plating/stripping induce poor safety, low Coulombic efficiency, and short span life of lithium metal batteries. Lately, varies of mic...

Notes on Neutron Depth Profiling

Interconnected hollow carbon nanospheres for stable lithium metal anodes.

For future applications in portable electronics, electric vehicles and grid storage, batteries with higher energy storage density than existing lithium ion batteries need to be developed. Recent efforts in this direction have focused on high-capacity electrode materials such as lithium metal, silicon and tin as anodes, and sulphur and oxygen as cathodes. Lithium metal would be the optimal choic...

A critical size of silicon nano-anodes for lithium rechargeable batteries.

Due to the high theoretical capacity (ca. 4200 mAhg ) of Si when Li4.4Si is formed, it has been extensively investigated for use as a high-capacity anode material that can replace graphite, which is currently used (372 mAhg ). However, Si exhibits significant volume changes (> 360%) during Li alloying and dealloying. These changes cause cracking and crumbling of the electrode material and a con...

Tin and Tin-Copper Composite Nanorod Anodes for Rechargeable Lithium Applications

Physical vapor deposition under conditions of an obliquely incident flux results in a film formation with an inclined columnar structure. These columns will be oriented toward the vapor source because of the self-shadowing effect, and they are homogenously distributed on the substrate surface because of the limited surface diffusion ability of ad-atoms when there is no additional substrate heat...