Raising the Redox Potential in a Quinone-Based Positive Organic Cathode via Space Charge Modulation
Source abstract
Abstract
Recently, π-d conjugated coordination polymers (CCPs) have been emerging in the field of energy storage due to their high conductivity, low solubility, and structural diversity. In this paper, we report a nickel tetrahydroxy-p-benzoquinone complex (Ni-PTHBQ) with a detailed analysis of its structure and components for the first time. The application of Ni-PTHBQ to lithium storage was found to have a high lithium storage potential of 3.12 V. The charging–discharging mechanism of the 2.5 e – transfer of Ni-PTHBQ was demonstrated by in situ Raman spectroscopy and other tests. In addition, the reason for the capacity degradation of Ni-PTHBQ was revealed by in situ XRD. This work clarifies the structure and lithium storage mechanism of Ni-PTHBQ, which provides a strong guidance for the synthesis and preparation of CCPs materials as well as their application in energy storage.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advanced battery technologies research · Advancements in Battery Materials · Conducting polymers and applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Materials Science and Engineering
South China University of Technology
School of Chemical Engineering and Light Industry
Guangdong University of Technology
Funding
National Key Research and Development Program of China · Special Project for Research and Development in Key areas of Guangdong Province · Basic and Applied Basic Research Foundation of Guangdong Province · National Natural Science Foundation of China · Natural Science Foundation of Guangdong Province
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