<scp>Li</scp>–Air Battery: Electrocatalysts

Zhou, Chang; Zhang, Xinbo

doi:10.1002/9783527807666.ch6

Cited by 1 publication

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“…Yet, there are still great synthetic and techno-economic challenges ahead. In particular, the inadequate porosity of the carbon scaffolds and their weak interaction with the carried active sites usually lead to quick battery deterioration, and hence continuous efforts are required to further leverage the porosity and permeability of the carbon scaffolds with enhanced immobilization of active sites.…”

Section: Introductionmentioning

confidence: 99%

Ru-Embedded Highly Porous Carbon Nanocubes Derived from Metal–Organic Frameworks for Catalyzing Reversible Li₂O₂ Formation

et al. 2021

ACS Appl. Mater. Interfaces

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Rechargeable lithium–oxygen batteries (LOBs) have attracted increasing attention due to their high energy density but highly rely on the development of efficient oxygen catalysts for reversible Li2O2 deposition/decomposition. Herein, highly porous carbon nanocubes with a specific surface area up to 1600 m2 g–1 are synthesized and utilized to tightly anchor Ru nanoparticles for using as the oxygen-cathode catalyst in LOBs, achieving a low charge/discharge potential gap of only 0.75 V, a high total discharge capacity of 17,632 mA h g–1, and a superb cycling performance of 550 cycles at 1000 mA g–1. Comprehensive ex situ and operando characterizations unravel that the outstanding LOB performance is ascribed to the highly porous catalyst structure embedding rich active sites that synergistically function in reducing overpotentials, suppressing parasitic reactions, accommodating reaction products, and promoting mass and charge transportation.

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Section: Introductionmentioning

confidence: 99%

Ru-Embedded Highly Porous Carbon Nanocubes Derived from Metal–Organic Frameworks for Catalyzing Reversible Li₂O₂ Formation

et al. 2021

ACS Appl. Mater. Interfaces

View full text Add to dashboard Cite

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Li–Air Battery: Electrocatalysts

Cited by 1 publication

References 113 publications

Ru-Embedded Highly Porous Carbon Nanocubes Derived from Metal–Organic Frameworks for Catalyzing Reversible Li₂O₂ Formation

Ru-Embedded Highly Porous Carbon Nanocubes Derived from Metal–Organic Frameworks for Catalyzing Reversible Li₂O₂ Formation

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Li–Air Battery: Electrocatalysts

Cited by 1 publication

References 113 publications

Ru-Embedded Highly Porous Carbon Nanocubes Derived from Metal–Organic Frameworks for Catalyzing Reversible Li2O2 Formation

Ru-Embedded Highly Porous Carbon Nanocubes Derived from Metal–Organic Frameworks for Catalyzing Reversible Li2O2 Formation

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Product

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Ru-Embedded Highly Porous Carbon Nanocubes Derived from Metal–Organic Frameworks for Catalyzing Reversible Li₂O₂ Formation

Ru-Embedded Highly Porous Carbon Nanocubes Derived from Metal–Organic Frameworks for Catalyzing Reversible Li₂O₂ Formation