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Critical Reflection

Through the duration of this module, There are a few things that I have learned, unlearned, relearned and still improving in oral presentation skills, critical thinking skills and the importance of teamwork. Through the oral presentation, I have learned to maintain a good posture during the presentation. This is a way to show the audience that the presenter is confident and not nervous. The things I have to unlearn are the reliance on phones during the presentation and to reduce the words presentation slides. The reason for not relying on phones during a presentation is to show the audience that the presenter knows his content well, and reducing the words on the slides will allow the audience to focus on the presenter instead of focusing on the slides. Reducing the usage of filler words, like “uhm” which can annoy the audience if repeated too much, also disrupts the flow of the presentation. Reducing the usage of singlish during a presentation is important, if the audience understands ...
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Summary/ Reader Response Draft #3

The article "How an accidental discovery made this year could change the world." written by Lockett (April, 2022), introduces the discovery of Lithium-sulfur (Li-S) batteries and their benefits with it. The Li-S batteries are cheaper to make, use environmentally friendly materials, can be three times lighter, and have a low chance of catching fire compared to lithium-ion (Li-ion) batteries, but Li-S batteries typically have around 1000 charge cycles. Hence, there is a need to increase its charge cycles. However, according to the author, researchers find it difficult to increase the charge cycle of Li-S batteries by changing compounds in the battery’s cathode. “The uncontrolled dendritic and lithium growth, as well as electrolyte decomposition inherent in lithium metal-based batteries, cause safety issues and low Coulombic efficiency.” as observed by Li et al (June 2015). This causes a shuttling effect on Li-S batteries, due to the dissolution of lithium-polysulfides formed wh...
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Summary/ Reader Response Draft #2

  The article "How an accidental discovery made this year could change the world." written by Lockett (April, 2022), introduces the discovery of Lithium-sulfur(Li-S) batteries and their benefits with it. The Li-S batteries are cheaper to make, use environmentally friendly materials, can be three times lighter, and have a low chance of catching fire compared to lithium-ion(Li-ion) batteries, but Li-S batteries typically have around 1000 charge cycles. Hence, there is a need to increase its charge cycles. However, according to the author, researchers find it difficult to increase the charge cycle of Li-S batteries by changing compounds in the battery’s cathode. “The uncontrolled dendritic and lithium growth, as well as electrolyte decomposition inherent in lithium metal-based batteries, cause safety issues and low Coulombic efficiency.” as observed by Li et al (June 2015). This causes a shuttling effect on Li-S batteries, due to the dissolution of lithium-polysulfides formed wh...
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Summary/ Reader Response Draft #1

The article "How an accidental discovery made this year could change the world." written by Lockett (2022), introduces the discovery of Lithium-sulfur(Li-S) batteries and their benefits with it. The Li-S batteries are cheaper to make, use environmentally friendly materials, can be three times lighter, and have a low chance of catching fire compared to lithium-ion(Li-ion) batteries, but Li-S batteries typically have around 1000 charge cycles. Hence, there is a need to increase its charge cycles. However, according to the author, researchers find it difficult to increase the charge cycle of Li-S batteries by changing compounds in the battery’s cathode. “The uncontrolled dendritic and lithium growth, as well as electrolyte decomposition inherent in lithium metal-based batteries, cause safety issues and low Coulombic efficiency.” as observed by Li et al (2015). This causes a shuttling effect on Li-S batteries, due to the dissolution of lithium-polysulfides formed when the battery...
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Design summary draft 2

The article "How an accidental discovery made this year could change the world." written by Lockett (2022), introduces the discovery of Lithium-sulfur(Li-S) batteries and their benefits with it. The Li-S batteries are cheaper to make, use environmentally friendly materials, can be three times lighter, and have a low chance of catching fire compared to lithium-ion batteries, but Li-S batteries typically have around 1000 charge cycles. Hence, there is a need to increase its charge cycles. However, according to the author, researchers find it difficult to increase the charge cycle of Li-S batteries by changing compounds in the battery’s cathode. “The uncontrolled dendritic and lithium growth, as well as electrolyte decomposition inherent in lithium metal-based batteries, cause safety issues and low Coulombic efficiency.” as observed by Li et al (2015). This causes a shuttling effect on Li-S batteries, due to the dissolution of lithium-polysulfides formed when the battery charges...
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Design summary draft 1

The article "How an accidental discovery made this year could change the world." written by Lockett (2022), introduces the discovery of Lithium-sulfur(Li-S) batteries and their benefits with it. The Li-S batteries are cheaper to make, use environmentally friendly materials, can be three times lighter, and have a low chance of catching fire compared to lithium-ion batteries, but Li-S batteries typically have around 1000 charge cycles. Hence, there is a need to increase its charge cycles. However, according to the author, researchers find it difficult to increase the charge cycle of Li-S batteries by changing compounds in the battery’s cathode. “The uncontrolled dendritic and lithium growth, as well as electrolyte decomposition inherent in lithium metal-based batteries, cause safety issues and low Coulombic efficiency.” as observed by Li et al (2015). This causes a shuttling effect on Li-S batteries, due to the dissolution of lithium-polysulfides formed when the battery charges...
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FORMAL LETTER OF INTRODUCTION

Dear Prof Brad, I'm using this opportunity to formally introduce myself, my name is Neo Quan Sheng. I'm a year 1 mechanical engineering student, who is attending your critical thinking and communicating module. I graduated from Temasek Polytechnic in 2020 with a diploma in mechatronics and moved on to national service for two years. After putting a considerable amount of time into thinking about the next step, I decided to enroll in the Singapore Institute of Technology's mechanical engineering. I found it interesting in the aerospace industry during my time at the polytechnic. However, my internship at ST Aerospace made me realize that it would be better for me to study something more generic. I would consider myself to be an introvert, which coincides with my weakness, having poor communication, however, my time in national service has improved my communication skills, as I was place in many situations where I have to initiate conversations, which allowed me to improve my...
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