Harvesting vibration energy using a triboelectric nanogenerator (TENG) is a promising approach in solving the power supply restriction of the Internet of Things. Currently, the low durability due to friction surface wearing is the primary limitation of TENGs, which restricts their applicability and practicability. This study introduces a non-contact-type TENG aimed at significantly enhancing its durability by increasing its anti-wear capability. The configuration of the proposed TENG includes permanent magnets and rolling-balls. The reciprocating motion of functional friction surfaces, facilitated by the permanent magnets, enhances the efficiency of harvesting low-frequency vibration energy. The embedded rolling-balls are utilized to separate two functional friction surfaces, which minimizes the friction surface wearing between different dielectric materials. The electrical output characteristics of this non-contact TENG under variable load resistances are explored according to sinusoidal excitation based on either variable frequencies or accelerations. The results demonstrate that the proposed nanogenerator can generate a short-circuit current of 2118.2 nA and achieve a peak power density of 9.891 mW/m2. The electrical responses of this non-contact TENG remain stable over 120 000 continuous working cycles, lasting for more than 200 min. Furthermore, the nanogenerator can identify and harvest energy from running or jumping motions performed by individuals in different postures and at various speeds or heights. With its exceptional durability and stability, this non-contact nanogenerator offers a novel approach to low-frequency vibration energy harvesting, paving the way for practical applications in the field.
机构:
Chinese Univ Hong Kong, Dept Mech & Automat Engn, Shatin, Hong Kong, Peoples R ChinaChinese Univ Hong Kong, Dept Mech & Automat Engn, Shatin, Hong Kong, Peoples R China
Chan, Hugo Hung-Tin
;
Gao, Fei
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Chinese Univ Hong Kong, Dept Mech & Automat Engn, Shatin, Hong Kong, Peoples R ChinaChinese Univ Hong Kong, Dept Mech & Automat Engn, Shatin, Hong Kong, Peoples R China
Gao, Fei
;
Chung, Brendon Lik-Hang
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Chinese Univ Hong Kong, Dept Mech & Automat Engn, Shatin, Hong Kong, Peoples R ChinaChinese Univ Hong Kong, Dept Mech & Automat Engn, Shatin, Hong Kong, Peoples R China
Chung, Brendon Lik-Hang
;
Liao, Wei-Hsin
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Chinese Univ Hong Kong, Dept Mech & Automat Engn, Shatin, Hong Kong, Peoples R ChinaChinese Univ Hong Kong, Dept Mech & Automat Engn, Shatin, Hong Kong, Peoples R China
Liao, Wei-Hsin
;
Cao, Junyi
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机构:
Xi An Jiao Tong Univ, Sch Mech Engn, Xian 710049, Peoples R ChinaChinese Univ Hong Kong, Dept Mech & Automat Engn, Shatin, Hong Kong, Peoples R China
机构:
Chongqing Univ, Coll Automot Engn, State Key Lab Mech Transmiss, Chongqing 400044, Peoples R China
Univ Ramon Llull, GTM Grp Recerca Tecnol Media, C Quatre Camins 30, Barcelona 08022, Catalonia, SpainChongqing Univ, Coll Automot Engn, State Key Lab Mech Transmiss, Chongqing 400044, Peoples R China
Deng, Jie
;
Guasch, Oriol
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Univ Ramon Llull, GTM Grp Recerca Tecnol Media, C Quatre Camins 30, Barcelona 08022, Catalonia, SpainChongqing Univ, Coll Automot Engn, State Key Lab Mech Transmiss, Chongqing 400044, Peoples R China
Guasch, Oriol
;
Zheng, Ling
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Chongqing Univ, Coll Automot Engn, State Key Lab Mech Transmiss, Chongqing 400044, Peoples R ChinaChongqing Univ, Coll Automot Engn, State Key Lab Mech Transmiss, Chongqing 400044, Peoples R China
Zheng, Ling
;
Song, Tingting
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机构:
Chongqing Univ, Coll Automot Engn, State Key Lab Mech Transmiss, Chongqing 400044, Peoples R ChinaChongqing Univ, Coll Automot Engn, State Key Lab Mech Transmiss, Chongqing 400044, Peoples R China
Song, Tingting
;
Cao, Yanshu
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Chongqing Univ, Coll Automot Engn, State Key Lab Mech Transmiss, Chongqing 400044, Peoples R ChinaChongqing Univ, Coll Automot Engn, State Key Lab Mech Transmiss, Chongqing 400044, Peoples R China
机构:
Inst Polymer Mat & Technol, Alma Ata 050019, Kazakhstan
Satbayev Univ, Lab Engn Profile, Alma Ata 050013, KazakhstanRAS, Inst Problems Chem Phys, Lab Metallopolymers, Chernogolovka 142432, Moscow Region, Russia
机构:
Chinese Univ Hong Kong, Dept Mech & Automat Engn, Shatin, Hong Kong, Peoples R ChinaChinese Univ Hong Kong, Dept Mech & Automat Engn, Shatin, Hong Kong, Peoples R China
Chan, Hugo Hung-Tin
;
Gao, Fei
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机构:
Chinese Univ Hong Kong, Dept Mech & Automat Engn, Shatin, Hong Kong, Peoples R ChinaChinese Univ Hong Kong, Dept Mech & Automat Engn, Shatin, Hong Kong, Peoples R China
Gao, Fei
;
Chung, Brendon Lik-Hang
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h-index: 0
机构:
Chinese Univ Hong Kong, Dept Mech & Automat Engn, Shatin, Hong Kong, Peoples R ChinaChinese Univ Hong Kong, Dept Mech & Automat Engn, Shatin, Hong Kong, Peoples R China
Chung, Brendon Lik-Hang
;
Liao, Wei-Hsin
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h-index: 0
机构:
Chinese Univ Hong Kong, Dept Mech & Automat Engn, Shatin, Hong Kong, Peoples R ChinaChinese Univ Hong Kong, Dept Mech & Automat Engn, Shatin, Hong Kong, Peoples R China
Liao, Wei-Hsin
;
Cao, Junyi
论文数: 0引用数: 0
h-index: 0
机构:
Xi An Jiao Tong Univ, Sch Mech Engn, Xian 710049, Peoples R ChinaChinese Univ Hong Kong, Dept Mech & Automat Engn, Shatin, Hong Kong, Peoples R China
机构:
Chongqing Univ, Coll Automot Engn, State Key Lab Mech Transmiss, Chongqing 400044, Peoples R China
Univ Ramon Llull, GTM Grp Recerca Tecnol Media, C Quatre Camins 30, Barcelona 08022, Catalonia, SpainChongqing Univ, Coll Automot Engn, State Key Lab Mech Transmiss, Chongqing 400044, Peoples R China
Deng, Jie
;
Guasch, Oriol
论文数: 0引用数: 0
h-index: 0
机构:
Univ Ramon Llull, GTM Grp Recerca Tecnol Media, C Quatre Camins 30, Barcelona 08022, Catalonia, SpainChongqing Univ, Coll Automot Engn, State Key Lab Mech Transmiss, Chongqing 400044, Peoples R China
Guasch, Oriol
;
Zheng, Ling
论文数: 0引用数: 0
h-index: 0
机构:
Chongqing Univ, Coll Automot Engn, State Key Lab Mech Transmiss, Chongqing 400044, Peoples R ChinaChongqing Univ, Coll Automot Engn, State Key Lab Mech Transmiss, Chongqing 400044, Peoples R China
Zheng, Ling
;
Song, Tingting
论文数: 0引用数: 0
h-index: 0
机构:
Chongqing Univ, Coll Automot Engn, State Key Lab Mech Transmiss, Chongqing 400044, Peoples R ChinaChongqing Univ, Coll Automot Engn, State Key Lab Mech Transmiss, Chongqing 400044, Peoples R China
Song, Tingting
;
Cao, Yanshu
论文数: 0引用数: 0
h-index: 0
机构:
Chongqing Univ, Coll Automot Engn, State Key Lab Mech Transmiss, Chongqing 400044, Peoples R ChinaChongqing Univ, Coll Automot Engn, State Key Lab Mech Transmiss, Chongqing 400044, Peoples R China
机构:
Inst Polymer Mat & Technol, Alma Ata 050019, Kazakhstan
Satbayev Univ, Lab Engn Profile, Alma Ata 050013, KazakhstanRAS, Inst Problems Chem Phys, Lab Metallopolymers, Chernogolovka 142432, Moscow Region, Russia