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14 April 2025 | Story Martinette Brits | Photo Kaleidoscope Studios
Jeremiah Hlahla
Jeremiah Hlahla, 27, proudly graduates with a PhD in Botany.

At just 27 years old, Dr Jeremiah Hlahla has achieved a remarkable milestone: earning his PhD in Botany, conferred on Thursday 10 April. His journey is one of perseverance, academic curiosity, and the determination to rise above significant personal and financial challenges.  

 

Resilience rooted in early hardship 

Growing up in Nkomazi, Mpumalanga, Dr Hlahla’s early life was marked by profound loss. His mother passed away when he was still young, and in Grade 11, he lost his father. Left without the support of his immediate family, he was placed in an orphanage alongside his sister. Despite these immense challenges, Dr Hlahla remained focused on his education.  

“From Grade 10, I stayed behind at school to do my homework and study,” he recalls. “By Grade 12, I asked the pastor if I could use the church office to study. He allowed me, and throughout matric, I would go straight from school to the church office.” 

 

A passion for science and a decisive pivot 

Dr Hlahla’s fascination with science began in Grade 4 when he first encountered the topic of Matter and Materials. “It was a fascinating subject for me,” he says. By Grade 9, he had decided to become a scientist, though he was still unsure of the specific field. 

After matric, he negotiated with an Anglo-American bursary manager to study biology instead of electrical engineering. “I later applied for biochemistry and botany at the University of Johannesburg because I enjoyed biology - but over the years, I found plant science especially interesting.” 

The pivotal moment in his life came when he was awarded an Anglo-American scholarship. “That was a huge turning point in my life,” he says. “After matric, I didn’t know what I would do next. But after one psychometric exam and two rounds of interviews, I received the scholarship, and my life improved.” 

With renewed motivation, he continued his studies and pursued a Master's degree, despite having no financial resources at the time. “When I arrived at the University of the Free State (UFS), I had just left Pretoria with my bags and no money,” he recalls. His supervisor, Dr Makoena Moloi, recommended him for a National Research Foundation (NRF) grant to cover his expenses. He was later awarded a bursary from Carl Zeiss. 

“Dr Moloi wanted a hardworking person,” Dr Hlahla says. “She also helped me improve my academic writing.”

 

Perseverance through a pandemic 

The COVID-19 pandemic brought unexpected setbacks, derailing his MSc research. “After the lockdown, I returned to find my plants had died. I had to start from scratch,” he says. Despite this, he completed his experiments by August 2021 and submitted his MSc with distinction. 

“It is incredibly rewarding to see years of hard work culminate in a PhD,” he reflects. 

 

Looking ahead: Researching for a food-secure future 

Now a postdoctoral researcher in plant breeding, Dr Hlahla is working on developing drought-tolerant edamame cultivars – research inspired by his PhD work. 

 “What excites me the most is breeding drought-tolerant edamame cultivars based on my previous research,” he says. “I am also thrilled to be working with Prof Maryke Labuschagne and Prof Rouxlene van der Merwe.” 

Dr Hlahla’s journey has given him insight into what it takes to succeed against the odds. His message to students navigating hardship is clear: 

“Stay focused on your goals. How you respond to what happens to you will determine your future. Someone is always willing to help - so find support and use it. Hard work, willingness, and determination will take you far.”

News Archive

Lithium-ion batteries research set to improve ordinary lives
2016-02-11

Description: Dr Lehlohonolo Koao  Tags: Dr Lehlohonolo Koao

Dr Koao is making a much-needed contribution in improving lives of ordinary people through his research on lithium-ion batteries.

The future of relevant and top-notch scientific research at the Qwaqwa Campus is in good hands. Dr Lehlohonolo Koao is one of the five members of the Vice-Chancellor’s Prestige Scholars Programme (PSP) on the Qwaqwa Campus.

The need to improve the efficiency of heating mechanisms in his immediate community in Qwaqwa, and the support he receives from the PSP, have become catalysts for his current research project on lithium-ion batteries. According to Dr Koao, the study will focus on producing batteries that last longer, store more energy, are cheaper to manufacture, and are environmentally friendly when being disposed of. These are key factors in solar energy.

‘’The majority of households in my neighbourhood have benefited from the government’s project of providing households with solar panels to help with lighting, cooking, and heating without worrying about the ever-increasing electricity costs,’’ said Dr Koao.

‘’Since my arrival in the area, I have realized that the heat absorption rate of the batteries used by solar panels is not enough. As a result, these batteries also lack enough power to sustain the supply throughout the day, especially on a cloudy day,’’ he said.

His research project focuses on improving the efficiency of lithium-ion batteries that are now commonly used in portable electronics, such as cell phones and laptops. This kind of battery is rapidly replacing the usual lead-acid batteries. Dr Koao’s determination to contribute towards a safer and more efficient heating absorption system has made him move away completely from his PhD study on lighting material.

‘’My previous study was on reducing the power usage on domestic and industrial lights as they use more electricity. This study, on the other hand, will enhance power retention in the batteries for improved daily life since cell phones, solar panels, and laptops, to mention only a few, are now a way of life,’’ he added.

Dr Koao is a Senior Lecturer in the Department of Physics, where he specializes in solid state materials.

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