Skip to main content

Research Repository

Advanced Search

All Outputs (16)

Nitrate Pollution Mapping for Reservoirs Using Flexible Sensors Integrated with Underwater Robot (2025)
Journal Article
Markapudi, P. R., Beg, M., Kadara, R. O., Paul, F., Kerrouche, A., See, C. H., & Manjakkal, L. (online). Nitrate Pollution Mapping for Reservoirs Using Flexible Sensors Integrated with Underwater Robot. IEEE Internet of Things Journal, https://doi.org/10.1109/JIOT.2025.3588067

Water pollution monitoring is crucial for environmental protection, playing a key role in safeguarding ecosystems, protecting public health and promoting sustainable development. However, traditional methods face challenges related to accessibility,... Read More about Nitrate Pollution Mapping for Reservoirs Using Flexible Sensors Integrated with Underwater Robot.

Electrochemical capacitors with lithium chloride/polyvinyl alcohol solid polymer electrolyte for ionotronic-based thermal sensors (2025)
Journal Article
Manjakkal, L., Kumar, C., Beg, M., Mathew, A., Saju, J., Paul, F., & Markapudi, P. R. (2025). Electrochemical capacitors with lithium chloride/polyvinyl alcohol solid polymer electrolyte for ionotronic-based thermal sensors. Electrochimica Acta, 536, Article 146740. https://doi.org/10.1016/j.electacta.2025.146740

This paper describes an ionotronic-based sensor that can detect changes in temperature using a solid polymer electrolyte (SPE)-based transparent electrochemical capacitor (EC). The EC developed using flexible ITO as an active electrode and polyvinyl... Read More about Electrochemical capacitors with lithium chloride/polyvinyl alcohol solid polymer electrolyte for ionotronic-based thermal sensors.

2D metal-organic framework Cu3(HHTP)2 composite electrode for flexible energy storage applications (2025)
Journal Article
Prince, M., Kanathedath, J., Paul, F., Markapudi, P. R., Beg, M., Paterson, L., Desmulliez, M. P., Pillai, S. C., & Manjakkal, L. (2025). 2D metal-organic framework Cu3(HHTP)2 composite electrode for flexible energy storage applications. Journal of Power Sources, 631, Article 236214. https://doi.org/10.1016/j.jpowsour.2025.236214

Hydrothermally synthesized 2D metal-organic framework (MOF) Cu3(HHTP)2 was modified with carbon black (CB) and poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) (PEDOT: PSS) to develop a flexible energy storage device. The efficiency of electro... Read More about 2D metal-organic framework Cu3(HHTP)2 composite electrode for flexible energy storage applications.

U-Shape Lossy Mode Resonance Optical Fiber Sensor for Temperature Detection of Lithium-Ion Batteries (2024)
Presentation / Conference Contribution
Alcock, K. M., Goh, K., Beg, M., Melendi-Espina, S., & Hernaez, M. (2024, September). U-Shape Lossy Mode Resonance Optical Fiber Sensor for Temperature Detection of Lithium-Ion Batteries. Poster presented at 2024 Frontiers in Optics + Laser Science meeting, Denver, Colorado , USA

This study develops a Polyethylenimine/Graphene Oxide thin film-based Lossy Mode Resonance U-shaped optical fiber sensor for lithium-ion battery temperature measurement. The study encourages further development of this device further as it compares w... Read More about U-Shape Lossy Mode Resonance Optical Fiber Sensor for Temperature Detection of Lithium-Ion Batteries.

Biodegradable biopolymers for electrochemical energy storage devices in a circular economy (2024)
Journal Article
Beg, M., Saju, J., Alcock, K. M., Mavelil, A. T., Markapudi, P. R., Yu, H., & Manjakkal, L. (2025). Biodegradable biopolymers for electrochemical energy storage devices in a circular economy. RSC Sustainability, 3(1), 37-63. https://doi.org/10.1039/d4su00468j

The rising trend of green energy has made it necessary to utilise efficient green materials in electrochemical energy storage devices (EESDs) under a green economy. The need for sustainable energy storage technologies due to the rising demand for ene... Read More about Biodegradable biopolymers for electrochemical energy storage devices in a circular economy.

Smart-Textile-Based Electrochemical Capacitive Ionic Sensors for High-Performance Epidermal Electronics (2024)
Journal Article
Mavelil, A. T., Sam, V., Markapudi, P. R., Paul, F., Beg, M., & Manjakkal, L. (2024). Smart-Textile-Based Electrochemical Capacitive Ionic Sensors for High-Performance Epidermal Electronics. IEEE Sensors Letters, 8(7), Article 2000704. https://doi.org/10.1109/lsens.2024.3411780

Recently, biomedical engineering has placed greater importance on wearable and disposable health-care monitoring devices. Various degradable biosensors have been developed to measure human parameters, such as temperature, pH, pressure, strain, and io... Read More about Smart-Textile-Based Electrochemical Capacitive Ionic Sensors for High-Performance Epidermal Electronics.

Opto-electrochemical variation with gel polymer electrolytes in transparent electrochemical capacitors for ionotronics (2024)
Journal Article
Kumar, C., Sebastian, A. K., Markapudi, P. R., Beg, M., Sundaram, S., Hussain, A., & Manjakkal, L. (2024). Opto-electrochemical variation with gel polymer electrolytes in transparent electrochemical capacitors for ionotronics. Applied Physics Letters, 124(11), Article 111603. https://doi.org/10.1063/5.0190801

Advanced flexible ionotronic devices have found excellent applications in the next generation of electronic skin (e-skin) development for smart wearables, robotics, and prosthesis. In this work, we developed transparent ionotronic-based flexible elec... Read More about Opto-electrochemical variation with gel polymer electrolytes in transparent electrochemical capacitors for ionotronics.

Screen Printed RuO2 Films for Energy Storage and Electrochemical Sensors (2024)
Presentation / Conference Contribution
Paul, F., Sam, V., Uppuluri, K., Beg, M., & Manjakkal, L. (2024, February). Screen Printed RuO2 Films for Energy Storage and Electrochemical Sensors. Poster presented at The 10th annual Innovations in Large-Area Electronics Conference (innoLAE 2024), Cambridge

Electrochemical Capacitors based on Organic Semiconductors and Metal Oxides (2024)
Presentation / Conference Contribution
Kanathedath, J., Nair, R., Peringath, A. R., Sasikumar, A., Paul, F., Beg, M., & Manjakkal, L. (2024, February). Electrochemical Capacitors based on Organic Semiconductors and Metal Oxides. Poster presented at The 10th annual Innovations in Large-Area Electronics Conference (innoLAE 2024), Cambridge

Paper Supercapacitor Developed Using a Manganese Dioxide/Carbon Black Composite and a Water Hyacinth Cellulose Nanofiber-Based Bilayer Separator (2023)
Journal Article
Beg, M., Alcock, K. M., Titus Mavelil, A., O’Rourke, D., Sun, D., Goh, K., Manjakkal, L., & Yu, H. (2023). Paper Supercapacitor Developed Using a Manganese Dioxide/Carbon Black Composite and a Water Hyacinth Cellulose Nanofiber-Based Bilayer Separator. ACS applied materials & interfaces, 15(44), 51100-51109. https://doi.org/10.1021/acsami.3c11005

Flexible and green energy storage devices have a wide range of applications in prospective electronics and connected devices. In this study, a new eco-friendly bilayer separator and primary and secondary paper supercapacitors based on manganese dioxi... Read More about Paper Supercapacitor Developed Using a Manganese Dioxide/Carbon Black Composite and a Water Hyacinth Cellulose Nanofiber-Based Bilayer Separator.

Chemical synthesis of polyaniline and polythiophene electrodes with excellent performance in supercapacitors (2023)
Journal Article
Ramesh Peringath, A., Bayan, M. A., Beg, M., Jain, A., Pierini, F., Gadegaard, N., Hogg, R., & Manjakkal, L. (2023). Chemical synthesis of polyaniline and polythiophene electrodes with excellent performance in supercapacitors. Journal of Energy Storage, 74(Part A), Article 108811. https://doi.org/10.1016/j.est.2023.108811

The emergence of portable electronics in miniaturized and intelligent devices demands high-performance supercapacitors (SC) and batteries as power sources. For the fabrication of such energy storage devices, conducting polymers (CPs) have significant... Read More about Chemical synthesis of polyaniline and polythiophene electrodes with excellent performance in supercapacitors.

Wearable Supercapacitive Ions Monitoring Sensors (2023)
Presentation / Conference Contribution
Titus Mavelil, A. T., Chandran, A. C., Sam, V., Beg, M., & Manjakkal, L. (2023, June). Wearable Supercapacitive Ions Monitoring Sensors. Poster presented at International Women in Engineering Day 2023, University of Aberdeen, Aberdeen

Individual Cell-Level Temperature Monitoring of a Lithium-Ion Battery Pack (2023)
Journal Article
Alcock, K. M., González-Vila, Á., Beg, M., Vedreño-Santos, F., Cai, Z., Alwis, L. S. M., & Goh, K. (2023). Individual Cell-Level Temperature Monitoring of a Lithium-Ion Battery Pack. Sensors, 23(9), Article 4306. https://doi.org/10.3390/s23094306

The work described herein details the deployment of an optical fibre strand with five fibre Bragg grating (FBG) sensors for individual cell-level temperature monitoring of a three-cell lithium-ion battery pack. A polymer guide tube with 3D printed pl... Read More about Individual Cell-Level Temperature Monitoring of a Lithium-Ion Battery Pack.

Processing and characterisation of water hyacinth cellulose nanofibres-based aluminium-ion battery separators (2021)
Presentation / Conference Contribution
Beg, M., Sun, D., Popescu, C.-M., Alcock, K. M., Onyianta, A. J., O'Rourke, D., Goh, K., & Yu, H. (2021, September). Processing and characterisation of water hyacinth cellulose nanofibres-based aluminium-ion battery separators. Presented at 2021 26th International Conference on Automation and Computing (ICAC), Portsmouth, United Kingdom

Water hyacinth is an invasive plant that can be converted to high value cellulose nanofibers. This study presents battery separators prepared from water hyacinth cellulose nanofibres (WHCNF) via a freeze-thawing crosslinking method, using polyethylen... Read More about Processing and characterisation of water hyacinth cellulose nanofibres-based aluminium-ion battery separators.