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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

Qwaqwa Campus opens: Prof. PA Mbati's speech
2005-01-22

Official welcome speech by Prof. PA Mbati for 2005 first year students held on Saturday 22nd January 2005. Program Director, The Chief Director Operations Rev. Kiepi Jaftha, Dean of Students Dr. Natie Luyt, Program Head of the Faculty of Humanities, Dr. Elias Malete, Program Head of Faculty of Natural and Agricultural Sciences, Prof. Riaan Luyt, Acting Program Head of the Faculty of Economics and Management Sciences Prof. Andries Venter, Deputy Director Student Affairs Mr. Teboho Manchu, Coordinator Finance: Mrs. Elizabeth Nchapi, Senior Librarian Mr. Stoffel Kok, Senior Magistrate Mr Saul Mohosho, SRC President Mr. Tello Motloung, members of staff, invited guests, parents, guardians, my dear students, ladies and gentlemen.

It is indeed my pleasure to welcome you to the official welcoming ceremony of the UFS-Qwaqwa Campus 2005 first year students. Our Rector and Vice Chancellor Professor Frederick has requested me to pass to you his warmest wishes and regards on this special occasion. I am confident that the orientation exercise in which you have participated has achieved the desired effect of introducing you to your new way of life here on campus, and that you are now sufficiently prepared to get on with the rigors of being a student at this University.

Following the restructuring of the higher education landscape, the Qwaqwa campus was incorporated into the University of the Free State with effect from January 1 2003 . As a consequence, Management was faced with a whole complex series of challenges including, primarily making the campus financially viable, but also ensuring that it remains relevant in it’s core business as a satellite campus of the University of the Free State in terms of its teaching, learning, research and community service responsibilities.

A whole series of strategic planning workshops were conducted last year with both internal and external stakeholders. Various important strategic objectives were flagged out, and the next level of consultation will take place soon. I know that there is a lot of eagerness, sometimes to the level of impatience to see this process completed as quickly as possible. But again on the other hand, due to the far reaching consequences of any hasty decisions, plus the need for a carefully planned process, we need to be a little more patient before the implementation of the strategic objectives is implemented. You will be kept informed as this important and critical aspect in the evolution of our campus takes place.

As a response to the need for a more effective governance model on the Qwaqwa campus, a review of the governance structure was completed towards the end of 2004 and will soon serve before the Executive of the Executive Management for approval.

Due to the importance that top management attaches to the development of an effective governance on the Qwaqwa campus, the process was facilitated by an internationally acclaimed consultant. Again the contents of the revised governance model will be made known to the campus and the broader community once it is approved.

I am glad to report that in recognition of the need to improve the infrastructure on campus to provide a conducive learning atmosphere to our students, a total of 8.2 million rands was made available towards the end of 2004 for recapitalization of specifically our student residences and lecture venues. The first phase of the residence renovation is completed and residences C, D and E have now been officially handed over to the University by the Contractor. Among the features of the renovated residences is that they will now computer rooms, kitchenettes for cooking, and a redesigned TV room. The rooms have even been fitted with heaters. Our challenge will now be to maintain our newly acquired facilities and to ensure that they do not again deteriorate to an un-acceptable level. The second phase of renovation will start soon.

As indicated in my address during the orientation week, our obligation to you as a campus is to offer you quality training to the best of our ability, and to disseminate this knowledge to you within a conducive atmosphere worthy of good learning. On the other hand, our students have to take advantage of this opportunity to acquire the necessary skills and training in the various academic programs that we offer on campus.

We have a very simple agenda on this campus – our vision is to continuously strive to build and develop the Qwaqwa campus of University of the Free State into a truly quality institution of higher learning in our country. To develop a tradition and culture in which we are proud of who we are, and constantly and tirelessly working towards excellence in our academic programs, and other non-academic but core and important aspects in your growth and development such as sport and community service. To nurture young conscientious citizens who are aware of their duties and responsibilities. Ultimately to produce hard working young people who fully exploit their potentials, and who will serve this country with diligence when unleashed into the real world in effectively managing their roles and responsibilities in society, whether in private or government civil service.

I would like to encourage that the various stake holders of this campus, the students, academic, administrative and support staff, and our broader community, to work together in harmony for the well being of our campus. For this campus to continue to be relevant in the environment that we find ourselves, there is a need for continuous engagement of its various stake holders, and genuinely listening to each other. We must continuously and regularly keep our feelers on alert in order that we can remain relevant.

I am particularly inviting our parents and guardians, the alumni of this campus, and leaders from our community to join hands with us in seeking solutions to the various challenges that we continue to face on campus. I am open for frank and honest discourse on the best way forward for our campus.

The University of the Free State is committed in making tertiary education accessible to as many students as possible. In this regard, students who do not have the required ‘M’ score to gain entry into main stream classes are given an opportunity to study in the highly successful ‘bridging program’ in which learners are integrated with main stream students but with fewer courses to tackle in order to ensure success. This is done on the premise that such students have the potential to pursue a degree course, and that therefore within a well structured program, they can make a success of their lives.

The University is conscious of the fact that in many instances several academically deserving students fail to be admitted into university due to financial reasons. For students who are academically deserving but who because of reasons of poverty cannot pay the requisite fees, the university is able to assist such students through the National Financial Aid Scheme – commonly known as NSFAS, and University Merit Awards. Other incentives such as Sports bursaries are also available.

Please remember that it is important to balance your life on campus and the phrase ‘a healthy mind in a healthy body’ aptly describes this statement. Ensure that you participate in sport and cultural activities of this campus so that you can develop and strengthen the various God-given talents that you have been blessed with.

A second major ingredient for your success on campus is discipline and respect for rules, policies and procedures that govern the University of the Free State , and respect for your fellow students. Good discipline is a major contributory factor to success in life, and more so in your formative academic life at University. This means for example that you must attend all your lectures, complete your assignments on-time and visit the library frequently. Please manage your time wisely and responsibly. Remember that as a university student, you are basically the master and architect of your own destiny.

Think very carefully when you are confronted with difficult situations, be they negative peer pressure, or temptations to indulge in intoxicating drugs, and make the right choice.

The University has well trained personnel including a social worker, a psychologist and counselor, and members of the student affairs division under the leadership of Mr. Teboho Manchu, Deputy Director Student Affairs, who are available to assist whenever you require their help.

Today is also a special day because we have officially inaugurated the SRC President and the rest of the SRC leadership. I am sure that you all join me in congratulating the SRC for being elected to their leadership roles for 2005. Mr. SRC president and your team, please remember that you now have a huge responsibility in carrying out the aspirations of the student body on campus. I want to wish you luck and success as you champion the rights of your constituents, which I believe and trust will be compatible with management’s expectations with regard to quality teaching and learning on campus. As you are aware, Management values the input that the student leadership makes in the operational management of the affairs of this campus, and we look forward to a cordial, non-confrontational working relationship with a view of rendering un-paralleled service on campus.

Mr. Program Director, allow me to wish everyone here a successful and prosperous year. May the good Lord give us the strength and courage to overcome any obstacle that may be placed in our way in the course of our work in 2005.

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