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Topic · Electrical and Electronic Engineering

Wireless Power Transfer Systems

Wireless Power Transfer Systems is a research topic within Electrical and Electronic Engineering. Science Explorer counts 22k research works in it since 1950. 9.8% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the analysis, design, and optimization of wireless power transfer systems, with applications in electric vehicle charging, biomedical implants, and contactless power transmission. The research covers topics such as inductive power transfer, magnetic resonant coupling, efficiency optimization, coil design, and dynamic charging for implantable devices and electric vehicles.

  • Wireless Power Transfer
  • Inductive Power Transfer
  • Magnetic Resonant Coupling
  • Electric Vehicle Charging
  • Contactless Power Transmission
  • Biomedical Implants
  • Efficiency Optimization
  • Coil Design
  • Dynamic Charging
  • Implantable Devices
Research works
22k
fractional, since 1950
In the world top 10%
2.2k
per year above
Top-10% rate
9.8%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+21%
the tick is no change
Largest producer
China
48% of the 10 largest, 2022-now
Wireless Power Transfer Systems

Which countries lead Wireless Power Transfer Systems research?

By volume, China and India publish the most (2.5k and 822 works in 2022-now).

By volume, 2022-now

  1. 1 China 2.5k works
  2. 2 India 822 works
  3. 3 United States 602 works
  4. 4 Japan 357 works
  5. 5 South Korea 294 works
  6. 6 Italy 174 works
  7. 7 United Kingdom 166 works
  8. 8 Germany 129 works
  9. 9 France 102 works
  10. 10 Canada 98 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

China: 47.8%India: 15.6%United States: 11.4%Japan: 6.8%6 others listed: 18.3%48%largest
China2,518 · 47.8%India822 · 15.6%United States602 · 11.4%Japan357 · 6.8%6 others listed964 · 18.3%

Shares of the rows listed above, not of the whole node.

Which institutions lead Wireless Power Transfer Systems research?

By volume in 2022-now, Harbin Institute of Technology publishes the most Wireless Power Transfer Systems research, followed by Chongqing University and Fuzhou University.

By volume, 2022-now

  1. 1 Harbin Institute of TechnologyChina 115 works
  2. 2 Chongqing UniversityChina 69 works
  3. 3 Fuzhou UniversityChina 67 works
  4. 4 Chinese Academy of SciencesChina 66 works
  5. 5 Zhejiang UniversityChina 64 works
  6. 6 Southwest Jiaotong UniversityChina 52 works
  7. 7 Southeast UniversityChina 51 works
  8. 8 Shanghai Jiao Tong UniversityChina 49 works
  9. 9 SRM Institute of Science and TechnologyIndia 47 works
  10. 10 City University of Hong KongChina 47 works

Who are the leading researchers in Wireless Power Transfer Systems?

The most-cited researchers publishing on Wireless Power Transfer Systems include Zhong Lin Wang, Róbert Langer and Takashi Taniguchi.

  1. 1 Zhong Lin Wang United States 491k citations
  2. 2 Róbert Langer United States 303k citations
  3. 3 Takashi Taniguchi Japan 227k citations
  4. 4 Kai You Wang China 224k citations
  5. 5 Frede Blaabjerg Denmark 203k citations
  6. 6 Qiang Zhang China 184k citations
  7. 7 H. Vincent Poor United States 165k citations
  8. 8 Han Zhang China 161k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Wireless Power Transfer Systems?

The most cited paper in Wireless Power Transfer Systems is "Wireless Power Transfer via Strongly Coupled Magnetic Resonances" (André Kurs, Aristeidis Karalis, Robert Moffatt et al., 2007), with 5,590 citations. Next come "Review of Battery Charger Topologies, Charging Power Levels, and Infrastructure for Plug-In Electric and Hybrid Vehicles" (3,103) and "Energy Scavenging for Mobile and Wireless Electronics" (2,662).

Most cited papers
#PaperReleasedCitations
1 Wireless Power Transfer via Strongly Coupled Magnetic Resonances André Kurs, Aristeidis Karalis, Robert Moffatt et al. · Science 8 Jun 2007 5,590
2 Review of Battery Charger Topologies, Charging Power Levels, and Infrastructure for Plug-In Electric and Hybrid Vehicles Murat Yılmaz, Philip T. Krein · IEEE Transactions on Power Electronics 23 Aug 2012 3,103
3 Energy Scavenging for Mobile and Wireless Electronics Joseph A. Paradiso, Thad E. Starner · IEEE Pervasive Computing 2005 2,662
4 A review of power harvesting using piezoelectric materials (2003–2006) Steven R. Anton, Henry Angelo Sodano · Smart Materials and Structures Open access 18 May 2007 2,649
5 Wireless Power Transfer for Electric Vehicle Applications Siqi Li, Chris Chunting Mi · IEEE Journal of Emerging and Selected Topics in Power Electronics 23 Apr 2014 2,182
All 99 most cited papers, with filters and sorting

Where is Wireless Power Transfer Systems research done?

The largest centres of Wireless Power Transfer Systems research in 2022-now are Beijing (China), Shanghai (China), Nanjing (China) and Harbin (China).

Largest cities, 2022-now

  1. 1 BeijingChina 302 works
  2. 2 ShanghaiChina 181 works
  3. 3 NanjingChina 169 works
  4. 4 HarbinChina 156 works
  5. 5 Xi'anChina 143 works
  6. 6 TokyoJapan 140 works
  7. 7 SeoulSouth Korea 135 works
  8. 8 ChengduChina 122 works
  9. 9 WuhanChina 119 works
  10. 10 GuangzhouChina 115 works
See Wireless Power Transfer Systems on the map

Where is the best place to study Wireless Power Transfer Systems?

Among universities, judged by research, City University of Hong Kong, Hong Kong Polytechnic University and Fuzhou University score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%10%20%mean 19.35%fractional works in this field (log) →share of work in the world top 10% →Hong Kong Polytechni…Fuzhou UniversityCity University of H…Southwest Jiaotong U…
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1City University of Hong KongChina 82.520.7%13.8×47 +170.0%
2Hong Kong Polytechnic UniversityChina 78.522.3%7.6×39 +55.1%
3Fuzhou UniversityChina 76.021.3%20.5×67 +505.1%
4Southwest Jiaotong UniversityChina 74.720.3%11.4×52 +24.3%
5Harbin Institute of TechnologyChina 73.213.6%11.9×115 +46.7%
6Nanyang Technological UniversitySingapore 68.017.1%7.2×33 +45.3%
7University of Hong KongChina 66.821.3%4.8×26 +1.4%
8Delft University of TechnologyNetherlands 66.721.1%6.9×27 +56.7%
9University of AucklandNew Zealand 66.115.4%11.1×35 +0.2%
10Xi'an Jiaotong UniversityChina 64.920.4%4.4×45 +20.0%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Wireless Power Transfer Systems, country by country

Is Wireless Power Transfer Systems research growing?

Output in 2022-2025 was 21% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Wireless Power Transfer Systems.

still counting19801990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Wireless Power Transfer Systems as a percentage of every work published that year, 0.028% in 2024.

still counting0.020%0.040%Wireless Power Transfer Systems0.031% in 202519801990200020102020

Fractional works of Wireless Power Transfer Systems over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting5%10%15%Wireless Power Transfer Systems9.6% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

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