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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Engineering and Technology 39 7550 7284 89 89 124 8809

Pin Jern Ker publications per year

The chart shows the history of publications by Pin Jern Ker between 2011 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Pin Jern Ker published across 16 years, from 2011 to 2026, averaging 14.2 papers a year. Output peaked at 34 publications in 2023. 19 of the 227 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 2011 to 2026. Vertical axis: number of publications, 0 to 34. Peak 34 publications in 2023. 2011: 6 publications 2012: 3 publications 2013: 2 publications 2014: 1 publication 2015: 3 publications 2016: 11 publications 2017: 6 publications 2018: 23 publications 2019: 14 publications 2020: 26 publications 2021: 29 publications 2022: 23 publications 2023: 34 publications 2024: 27 publications 2025: 18 publications 2026: 1 publication
2011 2026

227 publications in total across all disciplines

View publications per year as a table
Pin Jern Ker: publications per year, 2011 to 2026
Year Publications
2011 6
2012 3
2013 2
2014 1
2015 3
2016 11
2017 6
2018 23
2019 14
2020 26
2021 29
2022 23
2023 34
2024 27
2025 18
2026 1
Total 227
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Pin Jern Ker publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Pin Jern Ker sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 78 bars. Horizontal axis: publications, 38–47 to 804+. Vertical axis: number of scientists, 0 to 457. Most scientists, 457, have 148–157 publications. The last bar groups every scientist with 804 publications or more. The highlighted bar, 118–127 publications, is where this scientist sits. 38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 135 scientists 78–87 publications: 190 scientists 88–97 publications: 259 scientists 98–107 publications: 283 scientists 108–117 publications: 369 scientists 118–127 publications: 341 scientists 128–137 publications: 386 scientists 138–147 publications: 372 scientists 148–157 publications: 457 scientists 158–167 publications: 415 scientists 168–177 publications: 407 scientists 178–187 publications: 421 scientists 188–197 publications: 378 scientists 198–207 publications: 403 scientists 208–217 publications: 317 scientists 218–227 publications: 346 scientists 228–237 publications: 321 scientists 238–247 publications: 260 scientists 248–257 publications: 280 scientists 258–267 publications: 240 scientists 268–277 publications: 214 scientists 278–287 publications: 242 scientists 288–297 publications: 203 scientists 298–307 publications: 166 scientists 308–317 publications: 154 scientists 318–327 publications: 175 scientists 328–337 publications: 159 scientists 338–347 publications: 99 scientists 348–357 publications: 131 scientists 358–367 publications: 106 scientists 368–377 publications: 118 scientists 378–387 publications: 97 scientists 388–397 publications: 108 scientists 398–407 publications: 82 scientists 408–417 publications: 71 scientists 418–427 publications: 64 scientists 428–437 publications: 55 scientists 438–447 publications: 54 scientists 448–457 publications: 60 scientists 458–467 publications: 47 scientists 468–477 publications: 40 scientists 478–487 publications: 30 scientists 488–497 publications: 29 scientists 498–507 publications: 38 scientists 508–517 publications: 40 scientists 518–527 publications: 32 scientists 528–537 publications: 23 scientists 538–547 publications: 28 scientists 548–557 publications: 23 scientists 558–567 publications: 19 scientists 568–577 publications: 16 scientists 578–587 publications: 17 scientists 588–597 publications: 18 scientists 598–607 publications: 22 scientists 608–617 publications: 15 scientists 618–627 publications: 9 scientists 628–637 publications: 11 scientists 638–647 publications: 21 scientists 648–657 publications: 12 scientists 658–667 publications: 9 scientists 668–677 publications: 11 scientists 678–687 publications: 9 scientists 688–697 publications: 6 scientists 698–707 publications: 14 scientists 708–717 publications: 7 scientists 718–727 publications: 8 scientists 728–737 publications: 10 scientists 738–747 publications: 9 scientists 748–757 publications: 5 scientists 758–767 publications: 5 scientists 768–777 publications: 11 scientists 778–787 publications: 7 scientists 788–797 publications: 2 scientists 798–803 publications: 4 scientists 804+ publications: 100 scientists
38–47 publications 804+

This scientist: 124 publications — 17th percentile

17% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 804 publications or more.

View publications distribution as a table
Number of Engineering and Technology scientists by publication count, Research.com 2026 ranking edition. Based on 9,796 ranked scientists.
Publications Scientists This scientist
38–47 20
48–57 35
58–67 96
68–77 135
78–87 190
88–97 259
98–107 283
108–117 369
118–127 341 124
128–137 386
138–147 372
148–157 457
158–167 415
168–177 407
178–187 421
188–197 378
198–207 403
208–217 317
218–227 346
228–237 321
238–247 260
248–257 280
258–267 240
268–277 214
278–287 242
288–297 203
298–307 166
308–317 154
318–327 175
328–337 159
338–347 99
348–357 131
358–367 106
368–377 118
378–387 97
388–397 108
398–407 82
408–417 71
418–427 64
428–437 55
438–447 54
448–457 60
458–467 47
468–477 40
478–487 30
488–497 29
498–507 38
508–517 40
518–527 32
528–537 23
538–547 28
548–557 23
558–567 19
568–577 16
578–587 17
588–597 18
598–607 22
608–617 15
618–627 9
628–637 11
638–647 21
648–657 12
658–667 9
668–677 11
678–687 9
688–697 6
698–707 14
708–717 7
718–727 8
728–737 10
738–747 9
748–757 5
758–767 5
768–777 11
778–787 7
788–797 2
798–803 4
804+ 100
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Pin Jern Ker D-index placement in Engineering and Technology in 2026

The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where Pin Jern Ker sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 78 bars. Horizontal axis: D-Index, 30 to 107+. Vertical axis: number of scientists, 0 to 426. Most scientists, 426, have 42 D-Index. The last bar groups every scientist with 107 D-Index or more. The highlighted bar, 39 D-Index, is where this scientist sits. 30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 129 scientists 33 D-Index: 189 scientists 34 D-Index: 200 scientists 35 D-Index: 262 scientists 36 D-Index: 311 scientists 37 D-Index: 312 scientists 38 D-Index: 350 scientists 39 D-Index: 385 scientists 40 D-Index: 348 scientists 41 D-Index: 362 scientists 42 D-Index: 426 scientists 43 D-Index: 380 scientists 44 D-Index: 310 scientists 45 D-Index: 341 scientists 46 D-Index: 301 scientists 47 D-Index: 306 scientists 48 D-Index: 271 scientists 49 D-Index: 246 scientists 50 D-Index: 210 scientists 51 D-Index: 253 scientists 52 D-Index: 213 scientists 53 D-Index: 221 scientists 54 D-Index: 195 scientists 55 D-Index: 186 scientists 56 D-Index: 170 scientists 57 D-Index: 167 scientists 58 D-Index: 166 scientists 59 D-Index: 144 scientists 60 D-Index: 152 scientists 61 D-Index: 141 scientists 62 D-Index: 138 scientists 63 D-Index: 131 scientists 64 D-Index: 118 scientists 65 D-Index: 114 scientists 66 D-Index: 119 scientists 67 D-Index: 95 scientists 68 D-Index: 87 scientists 69 D-Index: 77 scientists 70 D-Index: 89 scientists 71 D-Index: 69 scientists 72 D-Index: 54 scientists 73 D-Index: 46 scientists 74 D-Index: 55 scientists 75 D-Index: 54 scientists 76 D-Index: 49 scientists 77 D-Index: 53 scientists 78 D-Index: 46 scientists 79 D-Index: 28 scientists 80 D-Index: 39 scientists 81 D-Index: 36 scientists 82 D-Index: 24 scientists 83 D-Index: 26 scientists 84 D-Index: 36 scientists 85 D-Index: 18 scientists 86 D-Index: 25 scientists 87 D-Index: 19 scientists 88 D-Index: 26 scientists 89 D-Index: 27 scientists 90 D-Index: 23 scientists 91 D-Index: 15 scientists 92 D-Index: 12 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 13 scientists 97 D-Index: 13 scientists 98 D-Index: 9 scientists 99 D-Index: 7 scientists 100 D-Index: 7 scientists 101 D-Index: 8 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 9 scientists 105 D-Index: 6 scientists 106 D-Index: 9 scientists 107+ D-Index: 99 scientists
30 D-Index 107+

This scientist: 39 D-Index — 24th percentile

24% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 107 D-Index or more.

View D-Index distribution as a table
Number of Engineering and Technology scientists by D-index, Research.com 2026 ranking edition. Based on 9,796 ranked scientists.
D-Index Scientists This scientist
30 59
31 114
32 129
33 189
34 200
35 262
36 311
37 312
38 350
39 385 39
40 348
41 362
42 426
43 380
44 310
45 341
46 301
47 306
48 271
49 246
50 210
51 253
52 213
53 221
54 195
55 186
56 170
57 167
58 166
59 144
60 152
61 141
62 138
63 131
64 118
65 114
66 119
67 95
68 87
69 77
70 89
71 69
72 54
73 46
74 55
75 54
76 49
77 53
78 46
79 28
80 39
81 36
82 24
83 26
84 36
85 18
86 25
87 19
88 26
89 27
90 23
91 15
92 12
93 9
94 15
95 10
96 13
97 13
98 9
99 7
100 7
101 8
102 7
103 7
104 9
105 6
106 9
107+ 99
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Overview

Pin Jern Ker is affiliated with Sunway University in Malaysia and has a significant body of work in the field of engineering, particularly within electrical and electronic engineering. Their research spans various aspects of energy technology, renewable energy, and automotive systems.

Their most cited recent publications include:

  • Battery energy-storage system: A review of technologies, optimization objectives, constraints, approaches, and outstanding issues (2021, Journal of Energy Storage)
  • Recent advancement and assessment of green hydrogen production technologies (2023, Renewable and Sustainable Energy Reviews)
  • State of the Art of Solid-State Transformers: Advanced Topologies, Implementation Issues, Recent Progress and Improvements (2020, IEEE Access)
  • State-of-Charge Estimation of Li-Ion Battery in Electric Vehicles: A Deep Neural Network Approach (2020, IEEE Transactions on Industry Applications)
  • Toward Enhanced State of Charge Estimation of Lithium-ion Batteries Using Optimized Machine Learning Techniques (2020, Scientific Reports)

Their frequent co-authors include:

  • M. A. Hannan
  • T.M.I. Mahlia
  • Kashem M. Muttaqi
  • M. S. Abd Rahman
  • Muhamad Mansor

Pin Jern Ker publishes regularly in venues such as:

  • IEEE Access
  • Journal of Energy Storage
  • International Journal of Hydrogen Energy
  • IEEE Transactions on Industry Applications
  • Renewable and Sustainable Energy Reviews

The scientist's work aligns predominantly with these fields of study:

  • Engineering

More specifically, their work falls into subfields including:

  • Electrical and Electronic Engineering
  • Automotive Engineering
  • Control and Systems Engineering
  • Energy Engineering and Power Technology
  • Renewable Energy, Sustainability and the Environment

Research topics frequently explored comprise:

  • Advanced Battery Technologies Research
  • Microgrid Control and Optimization
  • Hybrid Renewable Energy Systems
  • Smart Grid Energy Management
  • Advancements in Battery Materials
  • Electric Vehicles and Infrastructure
  • Advanced DC-DC Converters

Best Publications

  • State-of-the-Art and Energy Management System of Lithium-Ion Batteries in Electric Vehicle Applications: Issues and Recommendations

    Mahammad A. Hannan;Md. Murshadul Hoque;Aini Hussain;Yushaizad Yusof

  • State of Charge Estimation for Lithium-Ion Batteries Using Model-Based and Data-Driven Methods: A Review

    Dickson N. T. How;M. A. Hannan;M. S. Hossain Lipu;Pin Jern Ker

  • A review of state of health and remaining useful life estimation methods for lithium-ion battery in electric vehicles: Challenges and recommendations

    M. S.Hossain Lipu;M. S.Hossain Lipu;M. A. Hannan;Aini Hussain;M. M. Hoque

  • Review of Energy Storage System Technologies in Microgrid Applications: Issues and Challenges

    Mohammad Faisal;Mahammad A. Hannan;Pin Jern Ker;Aini Hussain

  • Optimization of energy management system for fuel-cell hybrid electric vehicles: Issues and recommendations

    N. Sulaiman;M. A. Hannan;A. Mohamed;Pin Jern Ker

  • State of the art of solid-state transformers: Advanced topologies, implementation issues, recent progress and improvements

    Mahammad A. Hannan;Pin Jern Ker;Molla S. Hossain Lipu;Zhen Hang Choi

  • A Review of Internet of Energy Based Building Energy Management Systems: Issues and Recommendations

    Mahammad A. Hannan;Mohammad Faisal;Pin Jern Ker;Looe Hui Mun

  • State-of-Charge Estimation of Li-Ion Battery in Electric Vehicles: A Deep Neural Network Approach

    Dickshon N. T. How;Mahammad A. Hannan;Molla S. Hossain Lipu;Khairul S. M. Sahari

  • Review of optimal methods and algorithms for sizing energy storage systems to achieve decarbonization in microgrid applications

    M.A. Hannan;M. Faisal;Pin Jern Ker;R.A. Begum;R.A. Begum

  • Toward Enhanced State of Charge Estimation of Lithium-ion Batteries Using Optimized Machine Learning Techniques

    M. A. Hannan;M. S. Hossain Lipu;Aini Hussain;Pin Jern Ker

  • Power electronics contribution to renewable energy conversion addressing emission reduction: Applications, issues, and recommendations

    M. A. Hannan;M. S.Hossain Lipu;Pin Jern Ker;R. A. Begum

  • SOC Estimation of Li-ion Batteries With Learning Rate-Optimized Deep Fully Convolutional Network

    M. A. Hannan;D. N. T. How;M. S. Hossain Lipu;Pin Jern Ker

  • Impact of renewable energy utilization and artificial intelligence in achieving sustainable development goals

    M.A. Hannan;Ali Q Al-Shetwi;Pin Jern Ker;R.A. Begum

  • Microgrid control methods toward achieving sustainable energy management

    M.F. Roslan;M.A. Hannan;Pin Jern Ker;M.N. Uddin

  • Vision-Based Traffic Sign Detection and Recognition Systems: Current Trends and Challenges.

    Safat B. Wali;Majid Abdullateef Abdullah;Mahammad Abdul Hannan;Aini Hussain

  • Deep learning approach towards accurate state of charge estimation for lithium-ion batteries using self-supervised transformer model.

    M. A. Hannan;D. N. T. How;M. S. Hossain Lipu;M. Mansor

  • Waste collection route optimisation model for linking cost saving and emission reduction to achieve sustainable development goals

    M.A. Hannan;R.A. Begum;Ali Q. Al-Shetwi;P.J. Ker

  • Fuzzy Logic Inverter Controller in Photovoltaic Applications: Issues and Recommendations

    Mahammad A. Hannan;Zamre Abd. Ghani;Md. Murshadul Hoque;Pin Jern Ker

  • Battery storage systems integrated renewable energy sources: A biblio metric analysis towards future directions

    Safat Bin Wali;M.A. Hannan;M.S. Reza;Pin Jern Ker

Frequent Co-Authors

Mahammad A. Hannan
Mahammad A. Hannan Sunway University
Kashem M. Muttaqi
Kashem M. Muttaqi University of Wollongong
Rawshan Ara Begum
Rawshan Ara Begum Western Sydney University
Aini Hussain
Aini Hussain National University of Malaysia
John P. R. David
John P. R. David University of Sheffield
Zhao Yang Dong
Zhao Yang Dong City University of Hong Kong
Azah Mohamed
Azah Mohamed National University of Malaysia
Teuku Meurah Indra Mahlia
Teuku Meurah Indra Mahlia University of Technology Sydney
Mohd Adzir Mahdi
Mohd Adzir Mahdi Universiti Putra Malaysia
Frede Blaabjerg
Frede Blaabjerg Aalborg University

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