K
Kai Cui
Researcher at National Institute for Nanotechnology
Publications - 18
Citations - 4792
Kai Cui is an academic researcher from National Institute for Nanotechnology. The author has contributed to research in topics: Sodium-ion battery & Lithium-ion battery. The author has an hindex of 17, co-authored 17 publications receiving 4252 citations. Previous affiliations of Kai Cui include National Research Council.
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Journal ArticleDOI
Interconnected Carbon Nanosheets Derived from Hemp for Ultrafast Supercapacitors with High Energy
Huanlei Wang,Zhanwei Xu,Zhanwei Xu,Alireza Kohandehghan,Alireza Kohandehghan,Zhi Li,Zhi Li,Kai Cui,Xuehai Tan,Xuehai Tan,Tyler Stephenson,Tyler Stephenson,Cecil K. King’ondu,Cecil K. King’ondu,Chris M. B. Holt,Chris M. B. Holt,Brian C. Olsen,Brian C. Olsen,Jin Kwon Tak,Don Harfield,Anthony O. Anyia,David Mitlin,David Mitlin +22 more
TL;DR: These exquisite carbons were able to be achieved by simple hydrothermal carbonization combined with activation by taking advantage of the complex multilayered structure of a hemp bast fiber precursor, providing among the best power-energy characteristics ever reported for an electrochemical capacitor.
Journal ArticleDOI
Carbon Nanosheet Frameworks Derived from Peat Moss as High Performance Sodium Ion Battery Anodes
Jia Ding,Huanlei Wang,Huanlei Wang,Zhi Li,Zhi Li,Alireza Kohandehghan,Alireza Kohandehghan,Kai Cui,Zhanwei Xu,Zhanwei Xu,Beniamin Zahiri,Beniamin Zahiri,Xuehai Tan,Xuehai Tan,Elmira Memarzadeh Lotfabad,Elmira Memarzadeh Lotfabad,Brian C. Olsen,Brian C. Olsen,David Mitlin,David Mitlin +19 more
TL;DR: It is demonstrated that peat moss, a wild plant that covers 3% of the earth's surface, serves as an ideal precursor to create sodium ion battery anodes with some of the most attractive electrochemical properties ever reported for carbonaceous materials.
Journal ArticleDOI
High-density sodium and lithium ion battery anodes from banana peels
Elmira Memarzadeh Lotfabad,Jia Ding,Jia Ding,Kai Cui,Alireza Kohandehghan,Alireza Kohandehghan,W. Peter Kalisvaart,W. Peter Kalisvaart,Mike Hazelton,Mike Hazelton,David Mitlin,David Mitlin +11 more
TL;DR: A combination of XRD and XPS demonstrates highly reversible Na intercalation rather than metal underpotential deposition, and the same analysis proves the presence of metallic Li in the pores, withintercalation being much less pronounced.
Journal ArticleDOI
Peanut shell hybrid sodium ion capacitor with extreme energy–power rivals lithium ion capacitors
Jia Ding,Jia Ding,Huanlei Wang,Huanlei Wang,Zhi Li,Zhi Li,Kai Cui,Dimitre Karpuzov,Xuehai Tan,Xuehai Tan,Alireza Kohandehghan,Alireza Kohandehghan,David Mitlin,David Mitlin,David Mitlin +14 more
TL;DR: In this paper, a hybrid sodium ion capacitor with the active materials in both the anode and the cathode being derived entirely from a single precursor: peanut shells, which are a green and highly economical waste globally generated at over 6 million tons per year.
Journal ArticleDOI
Anodes for Sodium Ion Batteries Based on Tin–Germanium–Antimony Alloys
Behdokht Farbod,Behdokht Farbod,Kai Cui,W. Peter Kalisvaart,W. Peter Kalisvaart,Martin Kupsta,Beniamin Zahiri,Beniamin Zahiri,Alireza Kohandehghan,Alireza Kohandehghan,Elmira Memarzadeh Lotfabad,Elmira Memarzadeh Lotfabad,Zhi Li,Zhi Li,Erik J. Luber,Erik J. Luber,David Mitlin,David Mitlin +17 more
TL;DR: HRTEM shows that Sn50Ge25Sb25 is a composite of 10-15 nm Sn and Sn-alloyed Ge nanocrystallites that are densely dispersed within an amorphous matrix, which leads to hypothesize that this new phenomenon originates from the Ge(Sn) that is able to sodiate beyond the 1:1 Na:Ge ratio reported for the pure element.