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Search Results - hongfei+li
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PMU-Embedded Analytics for Online Event Detection and Classification in Power Grids
The energy requirement of the world is increasing exponentially every year. With the power demand sites concentrated in the region with the highest population density, energy production sites must be located remotely. This isolation requires lengthy and complicated grids to be designed and manufactured to transmit power over long distances. Grid failures...
Published: 7/30/2024
|
Inventor(s):
Payman Dehghanian
,
Shiyuan Wang
,
Li Li
Keywords(s):
Category(s):
Technology Classifications > Industrial or Consumer Tech > Energy Infrastructure and Environment
An Energy Storage Device, An Electrolyte for Use In An Energy Storage Device And A Method of Preparing The Electrolyte
In this invention, a sewable and flexible Zn-MnO2 is developed based on a nanofibrillated cellulose/polyacrylamide hydrogel electrolyte, CNT/MnO2 cathode and electrodeposited Zn sheet anode. After sewed for 120 stitches, 88.5 % of its initial capacity is reserved. The sewed battery exhibited an obvious enhanced shear resistance, which can bear a large...
Published: 12/30/2019
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Inventor(s):
Chunyi ZHI
,
Hongfei LI
,
Zi Jie TANG
,
Donghong WANG
Keywords(s):
Category(s):
New Materials and Surface Science
Distributed Feedback Fiber Laser Pumped by Multimode Diode Lasers
Researchers at the University of Arizona College of Optical Sciences and Canada's Carleton University recently succeeded in fabricating high reflectivity (>99%) Fiber Bragg Gratings (FBGs) into phosphate glass fibers using UV light and a phase mask technique. With this new manufacturing technique, fiber lasers can be created as single monolithic...
Published: 4/3/2023
|
Inventor(s):
Nasser Peyghambarian
,
Axel Schülzgen
,
Li Li
,
Jacques Albert
Keywords(s):
Category(s):
Technology Classifications > Imaging & Optics
,
Technology Classifications > Imaging & Optics > Lasers & Other Sources
All-Fiber Multicore Fiber Laser Devices
Researchers at the University of Arizona have developed a compact, power-scalable, alignment-free fiber laser that takes a new approach to stabilizing phase-locked operation of multi-core fiber lasers by completely removing all free space optical components. This high-brightness, all-fiber laser package uses passive optical fiber spliced at both ends...
Published: 4/3/2023
|
Inventor(s):
Nasser Peyghambarian
,
Axel Schülzgen
,
Li Li
Keywords(s):
Category(s):
Technology Classifications > Imaging & Optics
,
Technology Classifications > Imaging & Optics > Fiber Optics
,
Technology Classifications > Imaging & Optics > Lasers & Other Sources
Introductory Business Chinese
Description of TechnologyIntroductory Business Chinese is intended mainly for use by those who have little or no knowledge of the Chinese language but who, for any number of different reasons, wish to learn more about business and economics in the Chinese environment. The primary intended audiences are (1) business professionals who deal with Chinese...
Published: 6/8/2021
|
Inventor(s):
Patricia Paulsell
,
Fei Fei
Keywords(s):
Chinese Language
,
Chinese Language Instruction
,
Software
Category(s):
Computer Software