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23 February 2024 | Story Leonie Bolleurs | Photo SUPPLIED
Tebogo Motsei
Tebogo Motsei, a PhD student in Physics at the UFS, has been awarded the prestigious CV Raman International Fellowship for African Researchers.

Imagine a supercapacitor/battery made right here in South Africa that could change the way we store energy for the better. A product that can store energy in real time, thus solving energy problems as they happen, which makes a huge difference especially during power outages. A product that is not just good for the environment – transitioning away from lithium-ion batteries – but that can also create jobs and boost the local economy.

What we are talking about is a type of technology known as a sodium-ion supercapacitor/battery, which is the focus of Tebogo Motsei’s research. This technology serves as a power source for lighting, power plants, cars, and phones. Motsei, a PhD student in the Department of Physics on the Qwaqwa Campus of the University of the Free State (UFS), explains that – unlike lithium batteries, which have undergone extensive research and are expensive to produce – they are conducting experimental work and characterisations to determine if sodium-ion supercapacitor/batteries can perform as well or even better, using more affordable and eco-friendly materials.

“Our results, inspired by the urgent need for improved energy storage solutions in South Africa amid its energy challenges, have been very promising. We have successfully developed a sodium-ion supercapacitor/battery that stores as much energy as a lithium-ion battery. Moreover, it was crafted from recycled materials, making it a more cost-effective and environmentally friendly option,” states Motsei, adding that their battery is unique, as no one else in the world has created anything quite like it, despite numerous attempts.

She is also pleased with this supercapacitor/battery’s ability to repair itself. Motsei explains, “Imagine if your toy could fix itself whenever it got broken – that's kind of what our sodium-ion supercapacitor/battery does!”

Motsei is part of a group of scientists in the Department of Physics at the UFS who are working on this research and who have published a scientific article on their work, titled Composite super-capacitor/Na-ion battery with self-healing Fe–Cr alloy electrodes. 

“We're proud of what we have accomplished,” she remarks.

Fellowship: a dream come true

Being part of this impactful research contributed to Motsei receiving the prestigious CV Raman International Fellowship for African Researchers (2023). The fellowship is for African researchers engaged in research at an African institution, providing opportunities for research collaboration in India. Motsei will be the only candidate from South Africa.

This award is merit-based. Motsei attributes her selection to factors such as her strong academic record, research accomplishments, and innovative approach to solving complex problems. She also believes her experience in research, collaboration, and publication reflects her potential to make meaningful contributions to the field during the fellowship period. 

Another key factor contributing to her selection for this fellowship is her skill in fabricating actual devices/prototypes. “The hands-on nature of this research, allowing me to create devices from scratch, has always been my passion. Making my first device – the ‘Magnetron Sputtering Unit’ – during my master’s studies, was a turning point. It made me realise that I had made the best decision ever by choosing this research field. I'm truly passionate about my work,” says Motsei. 

For her PhD studies, she is supervised by Prof Richard Ocaya, Associate Professor in the Department of Physics, and co-supervised by Dr Kamohelo Tshabalala, Senior Lecturer in the Department of Physics. Prof Ocaya, proud of Motsei’s achievements, believes that this fellowship not only serves as a great motivation for students – especially on the Qwaqwa Campus – but also highlights the global relevance of the UFS, particularly the Department of Physics.

Motsei says receiving this fellowship is a dream come true and a profound, life-changing moment for her. “I feel deeply honoured to be concluding this programme at the CSIR-Electrochemical Research Institute, the host institution in India, under the guidance of Prof Arul Manuel Stephan, whose invaluable assistance has been instrumental in my preparations.” Motsei also expressed her gratitude towards everyone who has supported her during this process, including Sudhir Kumar from the Indian Embassy in Pretoria.

“I am excited about how I can use this opportunity to make a difference. Whether it’s tackling significant global energy issues or finding new ways to solve everyday problems, I know this fellowship will give me the tools and support needed to make a real impact. Overall, I see this fellowship as a stepping stone to exciting new opportunities and adventures in the world of research,” she comments.

Making a meaningful impact

Motsei will be leaving for India on 23 February for a period of six months. She is excited about this new chapter in her research journey. “This fellowship will enhance my abilities as a scientist and leader in physics, providing me with essential skills, connections, and experience to make a meaningful impact in science and energy. I'm genuinely happy about this opportunity, which I thank God for.”

  • Sir Chandrasekhara Venkata Raman, after whom the fellowship is named, was a renowned Indian physicist who made great contributions to physics, winning many prizes and awards, including the 1930 Nobel Prize in Physics. He was known for his work in the field of light scattering and was the first Asian and non-European to receive a Nobel prize in any branch of science. 

News Archive

Mellon Foundation awards R10 million research grant to Trauma, Forgiveness and Reconciliation Studies
2015-02-20

Prof Pumla Gobodo-Madikizela, Senior Research Professor in Trauma, Forgiveness and Reconciliation Studies, and Dr Saleem Badat, Programme Director at the Mellon Foundation.
Photo: Johan Roux

Through her profound insight, vast experience, and unfaltering belief in humanity, Prof Pumla Gobodo-Madikizela, has secured a R10 million grant from one of the world’s most prestigious foundations funding human sciences research.

“This is one of the biggest grants that the Andrew W. Mellon Foundation has awarded to a university”, said Dr Saleem Badat, Program Director: International Higher Education and Strategic Projects at the Mellon Foundation. Prof Badat attended the press event that took place on 16 February 2015 on our Bloemfontein Campus.

UFS Trauma, Forgiveness, and Reconciliation Studies, spearheaded by Prof Gobodo-Madikizela, will manage the research project.

Prof Jonathan Jansen, Vice-Chancellor and Rector of the UFS, expressed great excitement “about this particular grant and the subject on which it focuses is so incredibly timely and germane to our own situation.”

Trauma, Memory and Representations of the Past: Transforming Scholarship in the Humanities and Arts

This new-found partnership between the Mellon Foundation and the UFS will enable a five-year research programme. The focus area of this initiative will be ‘Trauma, Memory and Representations of the Past: Transforming Scholarship in the Humanities and Arts’.

The research will pivot specifically around the question of how trauma is transmitted from one generation to the next. “South Africa lends itself to these questions,” Prof Gobodo-Madikizela said, “because we are now dealing with a generation of young people who were born after the traumas of the past.” These past experiences, though, are “passed on to the younger generation and become their own stories and narratives as if they themselves experienced the traumas directly.”

“This is an investment in how we can in fact create a different kind of community,” Prof Jansen said, “in which we eventually recognise each other – not by the accident of our skin, but by that elusive sense of a common humanity.”

Arts and theatre

Other aspects critical to this study are the inclusion of the arts and theatre. Many people have great difficulty in expressing their experiences of trauma in the spoken word. The arts and theatre provide an ideal platform to engage the public and stimulate conversation. As an example of the power these platforms possess, Prof Gobodo-Madikizela highlighted the success of the Johannes Stegmann Art Gallery – situated on the Bloemfontein Campus and curated by Angela de Jesus – in engaging the public in very productive ways.

Participants

Some of the artists, directors and scholars who will join in this project include:

• Lara Foot-Newton, Director/Playwright
• Sue Williamson, Activist Artist
• Angela de Jesus, Visual Artist/Curator
• Dr Buhle Zuma, Social Psychology Research
• Dr Shose Khessi, Social Psychology Research
• Prof Tamara Shefer, Women’s and Gender Studies
• Prof Kopano Ratele, Gender/Men and Masculinities
• Prof Jan Coetzee, Sociology of Developing Societies
• Prof Helene Strauss, Literary and Cultural Studies

New intellectual frontiers

“There is an aspiration in this proposal,” Dr Saleem Badat said. “We were born through this pain of colonialism and apartheid; we even went through the TRC. Our scholars in this country, our universities, should be at the forefront of this research. This is not research we can leave to the institutions in the north.”

Prof Gobodo-Madikizela agreed. “The overarching theme of this work is new knowledge production, focusing on the experiences in South Africa as experiences that can teach us something new.”

This will serve not only South Africa, but can also establish support for, and inform, countries facing similar dilemmas. In fact, “any part of the world in which genocide and murder and racism remains as legacies from the past,” Dr Badat said.

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